256, 240, 218, 179, 130, 66
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
Quantitative aptitude
32, 39, 56, 63, 80, 99
32, 39, 56, 63, 80, 99 A. 39 B. 56 C. 99 D. 80 E. 63 Sol: 32 + 7 = 39 39 + 11 = 50 50 + 13 = 63 63 + 17 = 80 80 + 19 = 99
19, 99, 219, 353, 535, 759
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) =
24, 47, 78, 117, 164, 220
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 –
32, 52, 92, 172, 332, 650
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
1890, 756, 252, 72, 18, ?
Direction: Find out the missing number in the following number series. Q) 1890, 756, 252, 72, 18, ? A. 9 B. 6 C. 4 D. 2 E. 5 Sol: 1890/2.5 = 756 756/3 = 252 252/3.5 = 72 72/4 = 18 18/4.5 = 4
1256, 1247, 1231, 1206, 1170, ?
1256, 1247, 1231, 1206, 1170, ? A. 1128 B. 1108 C. 1104 D. 1121 Sol: 1256 – 32 = 1247 1247 – 42 = 1231 1231 – 52 = 1206 1206 – 62 = 1170 1170 – 72 = 1121
The average age of A, B, C and D is 40 years. The present age of B is 90% of the present age of A and the present age of D is 40%
The average age of A, B, C and D is 40 years. The present age of B is 90% of the present age of A and the present age of D is 40% of the present age of C. If 10 years hence the age of B is 24 years less than the age of
Mixture X contains 70% of juice and the remaining water, mixture Y of 64 litres contains juice and water in the ratio
Mixture X contains 70% of juice and the remaining water, mixture Y of 64 litres contains juice and water in the ratio of 3:1, if both are mixed in the third container, then the quantity of water in the final mixture is 29.5liters. Find the total volume of Mixture X (in litres)? A. 40 litres
Amit, Rishi and Vinod invested Rs 15000, 10000 and 5000 respectively in a partnership business. The annual profit share of Vinod is Rs 15000
Amit, Rishi and Vinod invested Rs 15000, 10000 and 5000 respectively in a partnership business. The annual profit share of Vinod is Rs 15000 out of the total profit of Rs 60000 and the profit share of Amit is Rs 15000 more than the profit share of Rishi. Then find the ratio of time period