There are two boxes A and B and each of them has two different colors of balls – red and blue. Total number of balls in A is 40% less than that of B. If the number of red balls in A is 42 which is equal to the number of blue balls in B and the ratio of the number of red to blue balls in B is ...

95 ÷ 729 x 81 ÷ 92 x 6561 = 9? X 9 A. 5 B. 3 C. 4 ...

A started a business with an investment of Rs.5000. After 4 months, B joined the business with an investment of Rs.4000. After 2 more months, C joined them with an investment of Rs.y. At the end of the year, the ratio of the profit share of A, B and C is 15:8:12 respectively. Find the value of y? ...

Pipes A and B can fill a tank in 20 hours and 30 hours respectively while pipe C can empty the full tank in 40 hours. All are opened together, after 12 hours, pipe C closed. Find the time taken to fill the whole tank? A. 16 hours 24 mins B. 14 hours 48 mins C. 15 ...

A vessel contains a mixture of milk and water and the quantity of milk is three times more than that of water. If 25 liters of the mixture is taken out and 15 liters of water is added to the mixture, then the ratio of milk to water becomes 2:1. Find the quantity of the mixture in the vessel ...

Find out the wrong number in the following number series. Q. 256, 240, 218, 179, 130, 66 A. 218 B. 66 C. 179 D. 240 E. 130 Sol: 256 – 42 = 240 240 – 52 = 215 215 – 62 = 179 179 – 72 = 130 130 – 82 = 66

32, 39, 56, 63, 80, 99 A. 39 B. 56 C. 99 ...

Find out the wrong number in the following number series. Q. 19, 99, 219, 353, 535, 759 A. 99 B. 535 C. 759 D. 353 E. 219 Sol: 19 + (20 * 4) = 99 99 + (22 * 5) = 209 209 + (24 * 6) = 353 353 + (26 * 7) = 535 535 + (28 * 8) = 759

Find out the wrong number in the following number series. Q. 24, 47, 78, 117, 164, 220 A. 164 B. 78 C. 220 D. 117 E. 47 Sol: 52 – 1 = 24 72 – 2 = 47 92 – 3 = 78 112 – 4 = 117 132 – 5 = 164 152 – 6 = 219

Find out the wrong number in the following number series. Q. 32, 52, 92, 172, 332, 650 A. 332 B. 92 C. 650 D. 172 E. 33 Sol: 32 + 20 = 52 52 + 40 = 92 92 + 80 = 172 172 + 160 = 332 332 + 320 = 652