1-A and B together can complete a piece of work in 8 days and B alone can do it in 12 days. A start the work alone. But after2 day B also joined him and they work for next 3 days together. How much part of work is left to be completed?
(A) 13/24
(B) 9/11
(C)11/24
(D) 3/ 8
Q.2. If α and β are the roots of the equation ax2 + bx + c
= 0, then the value of-
Q.3. The curved surface area of a cylindrical rod is 264 m2 and its volume is 924 m3
. The ratio of its semi-diameter to height is -
(A) 7: 6
(B) 7: 3
(C) 6: 7
(D) 3: 7
4-A train departs from Delhi to Kolkata at a speed of 60 kmph at 12 p.m. noon. Another train starts from Delhi to Kolkata at a speed of 75 kmph at 2 p.m. At what distance from Delhi both will meet?
(A) 600 km.
(B) 540 km
.
(C) 500 km.
(C) 500 km.
(D) 400 km.
Q.5. If we divide a two-digit number by the sum of its digit, we get 4 as a quotient and 3 as a remainder. Now if we divide that two digit number by the product of its digits, we get 3 as a quotient and 5 as a remainder. Find the two digit number.
(A) 21
(B) 23
(C) 27
(D) 29
Q.6. The difference between the simple interest and compound interest at 20% per annum for 3 years is Rs.3200. Then what is the value of the sum?
(A) Rs. 20000
(B) Rs. 24000
(C) Rs. 25000
(D) Rs. 30000
Q.7. D sells an item to E at a profit of 18%. E sells the same to F at a profit of 20% F sells it to a customer for Rs. 45135 by earning a profit as 25%. The cost price of D is (in Rs.).
(A) 24000
(B) 25500
(C) 27000
(D) 30500
Q.8. Minu gave 45% of a certain amount of money to Raman. From the money Raman received, he spent 40% on buying books and 35% on buying a watch. After the mentioned expenses, Raman has Rs. 1800 remaining. How much did Minu have initially?
(A) Rs. 13500
(B) Rs. 13000
(C) Rs. 14000
(D) Rs. 16000
Q.9. A mixture contains two liquid A and B in the ratio 4: 1. If 10 liters of the mixture is replaced with 10 litres of liquid B, the ratio becomes 2: 3. How many litres of liquid A was in the mixture?
(A) 10 litres
(B) 12 litres
(C) 16 litres
(D) 18 litres
Q10. The simple Interest on a certain sum for 8 months at 3% per annum is Rs. 1500 less than S.I. on the sum for 18 months at 2% per annum. Find the sum.
(A) Rs. 15000
(B) Rs. 150000
(C) Rs. 18000
(D) Rs. 180000
Answer Key-
1-Sol-(1)
2-Sol-(2)
3-Sol-(1)
4-Sol-(1)
5-Sol-(2)
6-Sol-(3)
7-Sol-(2)
8-Sol-(4)
9-Sol-(3)
10-Sol. (2)
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MAHENDRA GURU