quantitative aptitude

Direction: Find out the wrong number in the following number series. Q. 0.5, 2, 4, 7.5, 9.5, 13 A.3 B.14 C.10.5 D.5 E.7.5 Sol: 0.5 + 1.5 = 2 2 +2 = 4 4+ 2.5 =6.5 6.5 + 3 = 9.5 9.5 + 3.5 = 13

Direction: 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

The age of P after 8 years is equal to the present age of Q and the present age of P is 8/9th of the present age of R and the average of the ages of Q and R after 4 years is 42 years. Find sum of the present age of P and the

(2/13) of 715 + (4/11) of 7150 = ? × 2 + 122 A.1357 B.1562 C.1283 D.1479 E. None of these Sol: (2/13) of 715 + (4/11) of 7150 = 2x + 122 (2/13) * 715 + (4/11) * 7150 = 2x + 122 110 + 2600 – 144 = 2x 2566 = 2x x

The simple interest on Rs. P at 15% p.a for 2 years is Rs.300 more than the simple interest on Rs.(P + 500) at 12% p.a for 2 years. What is the simple interest, if Rs.(2P + 500) is lent for 2 years at 12% rate of interest? A. Rs.1750 B. Rs.2350 C. Rs.3480 D.

(11.92% of 799.72) ÷ 3.01 = ? A.20 B.25 C.32 D.41 E.54 Sol: (11.92% of 799.72) ÷ 3.01 = ? => (12% of 800) ÷ 3 = ? => 96 ÷ 3 => 32

10.13% of 249.82 + 5.68% of 99.88 =? => 10% of 250 + 6% of 100 => 25 + 6 => 31

If the selling price of mobile and laptop in the ratio of 5: 6 and the shopkeeper sold the mobile and laptop at the profit of 25% and 20% respectively. If the shopkeeper gets the overall profit by selling mobile and laptop is Rs.4000, then what is the difference between the cost price of mobile

Salary of A is 40% more than the Salary of B and Salary of B is 1.5 times the Salary of C. If one third of difference between the salary of A and C is 4400, find the salary of B? A. Rs. 15000 B. Rs. 18000 C. Rs. 12000 D. Rs. 21000 E. None

The height of the triangle is equal to the radius of the circle and the height of the triangle is 40% more than the base of the triangle. If the area of the circle is 616 cm2, then find the area of the triangle? A.            70 cm2 B.            147 cm2 C.            154 cm2 D.            91