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Q.1. A, B and C go into a business as partners with the agreement that their shares of profit will be in the proportion of their capitals. If A’s capital: B's capital = 2: 3, and B's capital: C's capital = 2: 5, find B's share in a profit of Rs.3250.
A, B рдФрд░ C рдПрдХ рд╡्рдпाрдкाрд░ рдоें рд╕ाрдЭेрджाрд░ों рдХी рддрд░рд╣ рд╕े рд╢ाрдоिрд▓ рд╣ोрдХрд░ рдЗрд╕ рдмाрдд рдкрд░ рд╕рд╣рдордд рд╣ोрддे рд╣ैं рдХि рд╡े рдЕрдкрдиे рд▓ाрдн рдХे рдЕрдиुрдкाрдд рдХो рдЙрдирдХे рдж्рд╡ाрд░ा рдиिрд╡ेрд╢िрдд рдкूंрдЬिрдпों рдХे рдЕрдиुрдкाрдд рдоें рдмांрдЯेрдЧें | рдпрджि A рдХी рдкूँрдЬी: B рдХी рдкूँрдЬी = 2: 3 рдФрд░ B рдХी рдкूँрдЬी: C рдХी рдкूँрдЬी = 2: 5, рд░ु.3250 рдоें B рдХा рд▓ाрднांрд╢ рдЬ्рдЮाрдд рдХीрдЬिрдпे |
(A) 960
(B) 1480
(C) 720
(D) 780
Q.2. In a library the ratio of story books and other books is 7: 2 and there are 1512 story books in the library. Due to collection of some more story books the said ratio becomes 15: 4. The number of story books collected is
рдПрдХ рдкुрд╕्рддрдХाрд▓рдп рдоें, рдХрд╣ाрдиी рдХी рдХिрддाрдмों рдФрд░ рджूрд╕рд░ी рдХिрддाрдмों рдоें рдЕрдиुрдкाрдд 7: 2 рд╣ै рдФрд░ рд╡рд╣ां рдкुрд╕्рддрдХाрд▓рдп рдоें 1512 рдХрд╣ाрдиी рдХी рдХिрддाрдмें рд╣ैं | рдХुрдЫ рдФрд░ рдЕрдзिрдХ рдХрд╣ाрдиी рдХी рдХिрддाрдмों рдХा рдХрд▓ेрдХ्рд╢рди рдЖ рдЬाрдиे рдкрд░ рдЕрдиुрдкाрдд 15: 4 рд╣ो рдЬाрддा рд╣ै | рдЗрдХрдЯ्рдаी рдХी рдЧрдпी рдХрд╣ाрдиी рдХी рдХिрддाрдмों рдХी рд╕ंрдЦ्рдпा рд╣ै-
(A) 160
(B) 108
(C) 216
(D) 210
Q.3. The ratio of successful and unsuccessful examinees in an examination in a school is 6: 1. The ratio would have been 9: 1, if 6 more examinees had been successful. the total number of examinees is-
рдПрдХ рд╕्рдХूрд▓ рдоें рдПрдХ рдкрд░ीрдХ्рд╖ा рдоें рд╕рдлрд▓ рдФрд░ рдЕрд╕рдлрд▓ рдкрд░ीрдХ्рд╖ाрд░्рдеिрдпों рдХा рдЕрдиुрдкाрдд 6: 1 рд╣ै । рдпрджि 6 рдкрд░ीрдХ्рд╖ाрд░्рдеी рдЕрдзिрдХ рд╕рдлрд▓ рд╣ोрддे рддो рдЕрдиुрдкाрдд 9: 1 рд╣ो рдЬाрддा рд╣ै рддो рдХुрд▓ рдкрд░ीрдХ्рд╖ाрд░्рдеिрдпों рдХी рд╕ंрдЦ्рдпा рдХ्рдпा рд╣ै?
(A) 120
(B) 160
C.144
(D) 140
Q.4. Cost of diamond varies directly as the square of its weight. A diamond is broken into 4 pieces with their weights in the ratio 1:2:3:4. What is the price of the original diamond if the loss in total value of the diamond amounts to Rs. 140000?
рдХिрд╕ी рд╣ीрд░े рдХा рдоूрд▓्рдп рдЙрд╕рдХे рднाрд░ рдХे рд╡рд░्рдЧ рдХे рдЕрдиुрдХ्рд░рдоाрдиुрдкाрддी рд╣ै। рдПрдХ рд╣ीрд░ा рдЪाрд░ рдЯुрдХреЬों рдоें рдЗрд╕ рдк्рд░рдХाрд░ рдЯूрдЯा рдХि рдЙрд╕рдХे рднाрд░ों рдХा рдЕрдиुрдкाрдд 1 : 2 : 3 : 4 рд╣ै। рдпрджि рдЯूрдЯрдиे рдкрд░ рд╣ीрд░े рдХे рдоूрд▓्рдп рдкрд░ 140000 рд░ू. рдХी рд╣ाрдиि рд╣ुрдИ рд╣ो рддो рдмिрдиा рдЯूрдЯे рд╣ीрд░े рдХा рдоूрд▓्рдп рдХिрддрдиा рдеा?
(A) Rs. 200000
(B) Rs. 250000
(C) Rs. 300000
(D) Rs. 125000
Q.5. A got married 10 years ago. A’s present age is times his age at the time of marriage. A’s son’s age is times his present age. His son’s age in years, is-
A рдХी рд╢ाрджी 10 рд╡рд░्рд╖ рдкрд╣рд▓े рд╣ुрдИ рдеी। । рдХी рд╡рд░्рддрдоाрди рдЖрдпु рд╢ाрджी рдХे рд╕рдордп рдЙрд╕рдХी рдЖрдпु рд╕े рдЧुрдиा рд╣ै। A рдХे рдкुрдд्рд░ рдХी рдЖрдпु рдЙрд╕рдХी рд╡рд░्рддрдоाрди рдЖрдпु рдХा рдЧुрдиा рд╣ै । рдЙрд╕рдХे рдкुрдд्рд░ рдХी рдЖрдпु рд╣ै (рд╡рд░्рд╖ों рдоें)-
(A) 15
(B) 10
(C) 8
(D) 5
Q.6. In an examination, minimum passing percentage for girls and boys are 30% and 45% respectively. A boy got 270 marks and he failed by 90 marks. A girl obtained 118 marks then how many marks was needed so that she must pass the examination?
рдПрдХ рдкрд░ीрдХ्рд╖ा рдоें, рд▓реЬрдХिрдпों рдФрд░ рд▓реЬрдХों рдХे рд▓िрдП рди्рдпूрдирддрдо рдкाрд╕िंрдЧ рдк्рд░рддिрд╢рдд рдХ्рд░рдорд╢ः 30% рдФрд░ 45% рд╣ै | рдПрдХ рд▓реЬрдХे рдХो 270 рдЕंрдХ рдоिрд▓े рдФрд░ рд╡рд╣ 90 рдЕंрдХों рд╕े рдлेрд▓ рд╣ो рдЧрдпा | рдПрдХ рд▓реЬрдХी рдХो 118 рдЕंрдХ рдоिрд▓े рд╣ैं рддो рдкाрд╕ рд╣ोрдиे рдХे рд▓िрдП рдЙрд╕े рдФрд░ рдХिрддрдиे рдЕंрдХ рдЪाрд╣िрдП рдеे ?
(A) 122
(B) 132
(C) 126
(D) 136
Q.7. P starts a business with an initial investment of Rs.9000. After 4 months, Q enters into the partnership with an investment of Rs.12000. Again after two months R enters with an investment of Rs.15000. If R receives Rs.922.5 in the profit at the end of the year, what is the total annual profit?
P рд░ु.9000 рдХा рдк्рд░ाрд░рдо्рднिрдХ рдиिрд╡ेрд╢ рдХрд░рдХे рдПрдХ рд╡्рдпाрдкाрд░ рдХी рд╢ुрд░ुрдЖрдд рдХрд░рддा рд╣ै | рдЪाрд░ рдоाрд╣ рдмाрдж, Q рд░ु.12000 рдХा рдиिрд╡ेрд╢ рдХрд░рдХे рд╕ाрдЭे рдоें рдЖ рдЬाрддा рд╣ै | рдкुрдиः 2 рдоाрд╣ рдмाрдж R рд░ु.15000 рдХा рдиिрд╡ेрд╢ рдХрд░рдХे рд╕ाрдЭे рдоें рдЖ рдЬाрддा рд╣ै | рдпрджि R рд╡рд░्рд╖ рдХे рдЕंрдд рдоें рд░ु.922.5 рд▓ाрдн рдХे рд░ूрдк рдоें рдк्рд░ाрдк्рдд рдХрд░рддा рд╣ै, рдХुрд▓ рд╡ाрд░्рд╖िрдХ рд▓ाрдн рдХ्рдпा рд╣ै?
(A) Rs./рд░ु.3013.5
(B) Rs./рд░ु.3163.5
(C) Rs./рд░ु.3263.5
(D) Rs./рд░ु.3040
Q.8. A shopkeeper sold an article for Rs.17940 with a discount of 8% and gained 19.6%. If no discount is allowed, what will be his gain percent?
рдПрдХ рджुрдХाрдирджाрд░ рдПрдХ рд╡рд╕्рддु рдХो рд░ु.17940 рдоें 8% рдХी рдЫूрдЯ рджेрдХрд░ рдмेрдЪрддा рд╣ै рдФрд░ 19.6% рдХा рд▓ाрдн рдк्рд░ाрдк्рдд рдХрд░рддा рд╣ै | рдпрджि рдХोрдИ рдЫूрдЯ рдирд╣ीं рджी рдЧрдпी рд╣ै рддो, рдЙрд╕рдХा рд▓ाрдн рдк्рд░рддिрд╢рдд рдХ्рдпा рд╣ोрдЧा ?
(A) 25%
(B) 26.4%
(C) 30%
(D) 28%
Q.9. 80 men can complete a work in 30 days. They start work together and after every 10 days 10 men left the work. In how much time work will be completed?
80 рдЖрджрдоी рдПрдХ рдХाрд░्рдп рдХो 30 рджिрди рдоें рдХрд░ рд╕рдХрддे рд╣ैं | рд╡े рдХाрдо рдХрд░рдиा рд╢ुрд░ू рдХрд░рддे рд╣ैं рдФрд░ рдк्рд░рдд्рдпेрдХ 10 рджिрди рдмाрдж 10 рд╡्рдпрдХ्рддि рдХाрдо рдЫोреЬ рджेрддे рд╣ैं | рдХिрддрдиे рд╕рдордп рдоें рдпрд╣ рдХाрдо рдкूрд░ा рд╣ो рдЬाрдПрдЧा?
(A) 30 days/рджिрди
(B) 32 days/рджिрди
(C) 36 days/рджिрди
(D) 42 days/рджिрди
Q.10. Two trains can cross a pole in 14 sec. and 16 sec. respectively. Find in how much time will they cross each other if they are coming from same direction and if the speed of the trains are in the ratio of 7: 9.
рджो рдЯ्рд░ेрдиें рдПрдХ рдЦрдо्рднे рдХो рдХ्рд░рдорд╢ः 14 рд╕े. рдФрд░ 16 рд╕े. рдкрд░ рдХрд░рддी рд╣ैं | рдЬ्рдЮाрдд рдХीрдЬिрдпे рдХि рдХिрддрдиे рд╕рдордп рдоें рд╡рд╣ рдПрдХ рджूрд╕рд░े рдХो рдкाрд░ рдХрд░ рд▓ेंрдЧी рдпрджि рд╡े рдПрдХ рд╣ी рджिрд╢ा рд╕े рдЖ рд░рд╣ी рд╣ैं рдФрд░ рдпрджि рдЯ्рд░ेрдиों рдХी рдЧрддिрдпों рдХा рдЕрдиुрдкाрдд 7: 9 рдоें рд╣ै |
(A) 111 sec./рд╕े.
(B) 119 sec./рд╕े.
(C) 131 sec./рд╕े.
(D) 121 sec./рд╕े.
Answer key:
Q1. (D) A: B = 2: 3
B: C = 2: 5
A: B: C = 4: 6: 15
A + B + C = 4 + 6 + 15 = 25
B's share/B рдХा рд╣िрд╕्рд╕ा =
Q2. (B) 7 = 1512
1 = 216
According to the question/рдк्рд░рд╢्рдиाрдиुрд╕ाрд░,
Let number of story books collected be x./рдоाрдиा рдЗрдХрдЯ्рдаी рдХी рдЧрдпी рдХрд╣ाрдиी рдХी рдХिрддाрдмें x рд╣ैं |
1512 + x = 1620
x = 108
Q3. (D) Total students / рдХुрд▓ рд╡िрдж्рдпाрд░्рдеी = 6x + x = 7x
6x + 6 = 9x – 54
9x – 6x = 54 + 6 = 60
3x = 60
x = 20
Total number/ рдХुрд▓ рд╕ंрдЦ्рдпा = 20 × 7 = 140
Q4. (A) Total weight/рдХुрд▓ рд╡рдЬрди = (1 + 2 + 3 + 4) = 10
Total cost/рдХुрд▓ рд▓ाрдЧрдд = 102 = 100
After broken in to 4 pieces/4 рдЯुрдХреЬों рдоें рдЯूрдЯрдиे рдХे рдмाрдж;
Total cost/рдХुрд▓ рд▓ाрдЧрдд = 12 + 22 + 32 +42 = 30
Loss/рд╣ाрдиि = 100 – 30 = 70
70 → 140000
1 → 2000
Total cost/рдХुрд▓ рд▓ाрдЧрдд = 2000 × 100 = Rs. 200000
Q5. (D) Let A's present age be x years/рдоाрдиा A рдХी рд╡рд░्рддрдоाрди рдЖрдпु x рд╡рд░्рд╖ рд╣ै ।
His son's age/рдЙрд╕рдХे рдкुрдд्рд░ рдХी рдЖрдпु =
According to the question/рдк्рд░рд╢्рдиाрдиुрд╕ाрд░,
5x – 50 = 4x
x = 50 years/рд╡рд░्рд╖
Son's age/рдкुрдд्рд░ рдХी рдЖрдпु = 5 years/рд╡рд░्рд╖
Q6. (A) Let maximum marks of examination / рдоाрдиा рдкрд░ीрдХ्рд╖ा рдоें рдЕрдзिрдХрддрдо рдЕंрдХ = x
30% of 800/800 рдХा 30% = 240
Minimum passing marks for girls/рд▓реЬрдХिрдпों рдХे рд▓िрдП рди्рдпूрдирддрдо рдкाрд╕िंрдЧ рдЕंрдХ = 240
Required answer /рдЕрднीрд╖्рдЯ рдЙрдд्рддрд░ = 240 – 118 = 122
Q7. (A) Ratio of equivalent capitals/рд╕рдорддुрд▓्рдп рдкूंрдЬिрдпों рдХा рдЕрдиुрдкाрдд
= (9000 × 12) : (12000 × 8) : (15000 × 6)
= 18 : 16 : 15
If the total profit be Rs.x then/рдпрджि рдХुрд▓ рд▓ाрдн рд░ु. x рд╣ै рддो
R's share/ R рдХा рд▓ाрдн =
R's share/ R рдХा рд▓ाрдн = 922.5
= 922.5
x = 3013.5
Q8. (C) Discount/рдЫूрдЯ = 8%
S.P/рд╡िрдХ्рд░рдп рдоूрд▓्рдп = 17490
M.P./рдЕंрдХिрдд рдоूрд▓्рдп = = 19500
Now/рдЕрдм, gain/рд▓ाрдн = 19.6%
C.P./рдХ्рд░рдп рдоूрд▓्рдп = = 15000
Gain/рд▓ाрдн = 19500 – 15000 = Rs./рд░ु.4500
Gain/рд▓ाрдн % = = 30%
Q9. (C) Total work/рдХुрд▓ рдХाрдо = 80M × 30D = 2400
80M × 10 = 800
70M × 10 = 700
60M × 10 = 600
50M × 6 = 300
Total/рдХुрд▓ = 2400
Number of days/рдХुрд▓ рджिрдиों рдХी рд╕ंрдЦ्рдпा = 10 + 10 + 10 + 6 = 36 days/рджिрди
Q10. (D) Distance moved by first train in crossing a pole/рдПрдХ рдЦрдо्рднे рдХो рдкाрд░ рдХрд░рдиे рдоें рдкрд╣рд▓ी рдЯ्рд░ेрди рдж्рд╡ाрд░ा рдЪрд▓ी рдЧрдпी рджूрд░ी = 14 × 7 = 98 m./рдоी.
Distance moved by second train in crossing a pole/рдПрдХ рдЦрдо्рднे рдХो рдкाрд░ рдХрд░рдиे рдоें рджूрд╕рд░ी рдЯ्рд░ेрди рдж्рд╡ाрд░ा рдЪрд▓ी рдЧрдпी рджूрд░ी = 16 × 9 = 144 m./рдоी.
Total distance in crossing each other/рдПрдХ рджूрд╕рд░े рдХो рдкाрд░ рдХрд░рдиे рдоें рдЪрд▓ी рдЧрдпी рджूрд░ी
= 98 + 144 = 242 m./рдоी.
Relative speed/рд╕ाрдкेрдХ्рд╖ рдЪाрд▓ = 9 – 7 = 2 m./sec. (рдоी./рд╕े.)
Time/рд╕рдордп = 242/2 = 121 sec./рд╕े.