1. What approximate value will come in place of the question mark (?) in the following questions?
рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдкреНрд░рд╢реНрдиреЛрдВ рдореЗрдВ рдкреНрд░рд╢реНрдирдЪрд┐рдиреНрд╣ (?) рдХреЗ рд╕реНрдерд╛рди рдкрд░ рд▓рдЧрднрдЧ рдХреНрдпрд╛ рдорд╛рди рдЖрдпреЗрдЧрд╛?
98.734 - 3.21 =
-58.31
2. 28600
3. 29600
4. 23700
5. 24400
SOL :
99 - 3 =
? = 23716
тЙИ 23700
3. What approximate value will come in place of the question mark (?) in the following questions?
рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдкреНрд░рд╢реНрдиреЛрдВ рдореЗрдВ рдкреНрд░рд╢реНрдирдЪрд┐рдиреНрд╣ (?) рдХреЗ рд╕реНрдерд╛рди рдкрд░ рд▓рдЧрднрдЧ рдХреНрдпрд╛ рдорд╛рди рдЖрдпреЗрдЧрд╛?
77.65 ├Ч 981.73 = 8478.73 - 4241.68 + ?
1. 72360
2. 84360
3. 54360
4. 73260
5. 94360
SOL : 78 ├Ч 982 = 8479 - 4242 + ?
76596 = 4237 + ?
? = 72359
тЙИ 72360
4. What will come in place of question mark (?) in the following number series ?
рдирд┐рдореНрди рд╕рдВрдЦреНрдпрд╛ рд╢реНрд░реГрдВрдЦрд▓рд╛рдУрдВ рдореЗрдВ рдкреНрд░рд╢реНрдирд╡рд╛рдЪрдХ рдЪрд┐рд╣реНрди (?) рдХреЗ рд╕реНрдерд╛рди рдкрд░ рдХреНрдпрд╛ рдЖрдпреЗрдЧрд╛ ?
9 13 22 38 63 ?
- 99
- 102
- 107
- 98
- None of these
+22, +32, +42, +52, +62 ...........
5. What will come in place of question mark (?) in the following number series ?
- 344
- 364
- 354
- 384
- 324
├Ч2+10, ├Ч2+20, ├Ч2+30.........
6. What will come in place of question mark (?) in the following number series ?
27 148 292 461 ? 882
- 651
- 641
- 657
- 666
- None of these
+112, +122, +132...........
7. A basket contains 6 blue 2 red 4 green and 3 yellow balls. If 4 balls are picked at random, what is the probability that 2 are red and 2 are green?
- 4/15
- 5/57
- 1/3
- 2/455
- 6/455
- 8800
- 13900
- 12600
- Data inadequate
- None of these
9. The compound interest on a certain sum of money at
рдХрд┐рд╕реА рдирд┐рд╢реНрдЪрд┐рдд рдзрди рдкрд░
- 108
- 208
- 810
- 800
- 900
So compound interest will @
So 13% = 285
Simple interest on the same amount for 3 years is 18
18% =
10. Milk and water are mixed in a vessel A as 4:1 and in vessel B as 3:2. For vessel C, if one takes equal quantities from A and B, find the ratio of milk to water in C.
рджреВрдз рддрдерд╛ рдкрд╛рдиреА рдХреЛ рдмрд░реНрддрди A рдореЗрдВ 4:1 рдХреЗ рдЕрдиреБрдкрд╛рдд рдореЗрдВ рдФрд░ рдмрд░реНрддрди B рдореЗрдВ 3:2 рдХреЗ рдЕрдиреБрдкрд╛рдд рдореЗрдВ рдорд┐рд▓рд╛рдпрд╛ рдЧрдпрд╛. рдпрджрд┐ рдмрд░реНрддрди A рдФрд░ рдмрд░реНрддрди B рд╕реЗ рд╕рд╛рдорд╛рди рдорд╛рддреНрд░рд╛ рдореЗрдВ рдорд┐рд╢реНрд░рдг рдПрдХ рдмрд░реНрддрди C рдореЗрдВ рд▓рд┐рдпрд╛ рдЬрд╛рдп рддреЛ рдЙрд╕рдореЗ рджреВрдз рддрдерд╛ рдкрд╛рдиреА рдХрд╛ рдЕрдиреБрдкрд╛рдд рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдпреЗ.
- 3 : 7
- 7 : 3
- 10 : 7
- 7 : 10
- 1 : 1
51.5
52.5
53.5
54.5
55
Sol :
total weight 40 students=55├Ч40=2200kg
total weight of 6 students who left the class =6├Ч52=312kg
total weight of 6 students who joined the class =6├Ч42=252kg
new weight of 40 students = 2200-312+252
=2140
hence required average=2140/40=53.5 kg
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MAHENDRA GURU