Question
The ratio of the incomes of P, Q, and R is 3:5:6. If
P’s income is increased by 25%, R’s income is increased by 15%, and Q’s income is reduced by 30%, the difference between the new incomes of R and P becomes ₹945. What was Q’s original income?Solution
Let their original incomes be 3z, 5z, and 6z Income of P after a 25% increase = 3.75z Income of Q after a 30% decrease = 3.5z Income of R after a 15% increase = 6.9z 6.9z – 3.75z = 945 3.15z = 945 z = 300 Q’s original income = 5z = ₹1,500
612, 487,?, 396, 388, 387
Find the missing number in the given number series.
1, 2, 6, 24, 120, ?What will come in place of the question mark (?) in the following series?
36, 85, ?, 230, 330, 451
Find the missing term in the series:
2, 5, 11, 23, 47, ?
What will come in place of the question mark (?) in the following series?
400, 841, 1202, ?, 1716, 1885
44   45    41   50    ?      59    23
...221, 100, 0, -81, ?
...900 Â Â Â 90Â Â Â 18Â Â Â ? Â Â Â Â 2.16Â Â Â Â 1.08
16, 20, 11, 27, ?, 38
37, 57, 82, ?, 147, 187
