Question
Ratio of ages of father and son is 3 : 1. The product of
their ages is 147. What is the sum of their ages?Solution
Ratio of ages of father and son is 3: 1. Let their ages be measured in terms of x. The product of their ages is 147. (3x) × (x) = 147 3x2 = 147 X2 = 49 x2=7 Sum of their ages = 3x+x =4x =4×7 = 28years
- Find the wrong number in the given number series.
8, 14, 24, 49, 59, 84 Find the wrong number in the given number series.
8, 12, 23, 40, 66, 103
174 180 198 252 414 910
640 1920 240 720 92 270
Find the wrong number in the given number series.
132, 147, 138, 155, 144, 161
1 3 7 15 33
...Find the wrong number in the given number series,
9, 60, 299, 1199, 3599, 7199
- Find the wrong number in the given number series.
32.6, 36.4, 40.2, 43.6, 47.8, 51.6 11 110 978 6824 34103 102290
- Find the wrong number in the given number series.
12, 21, 5, 38, 2, 71