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 * 8) = 759

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 age of Q before 6 years. ...

(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 = 2566 / 2 = 1283

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. Rs.4810 E. None of these Sol: P * 15% ...

(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 of these Sol: Let salary of C = 10a Salary of B = 1.5 x ...

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 cm2 ...

P and Q alone can complete a work in 12 days and 18 days respectively. 50% of the work is completed by R alone in 2n days and the remaining work is completed by P and Q working together in n days. Find the time taken by Q and R to complete the whole work, while working together. ...

A container contains 175 liters mixture of acid and water in the ratio of 5:2. If one-fifth of the mixture is taken out and n liters of water is added to the mixture, then the ratio of milk and water becomes 5:3. Find the value of n? ...