Quantitative Ab...

There are 3050 employees in an organisation. Out of which 48% got transferred to different places and 1159 new employees joined the organization in the new year. The total number of employees in the organization now is what percentage of the original number of employees?

A mixture of 729 ml contains milk and water in the ratio 7 : 2. How much more water should be added to get a new mixture containing milk and water in the ratio 7 : 3?

Aman and Chintu can complete a job in 40 days and 25 days respectively. How long will they take to complete the work if they work on alternate days?

A sum was borrowed at 20% p.a. compound interest. It was repaid in 3 annual installments with each installment being paid at the end of a year. The first, second and third installments were Rs. 1200, Rs. 1152 and Rs. 2592 respectively. Determine the sum borrowed.

The average age of a man and his son is 40 years. The ratio of their ages 15 years hence is 7 : 4 respectively. If the ratio of the present ages of the man and his wife is 11 : 9. What is the age of his wife?

The sum of four numbers is 64. If you add 3 to the first number, 3 is subtracted from the second number, the third is multipled by 3 and the fourth is divided by 3, then all the results are equal. What is the difference between the largest and the smallest of the original numbers?

The ratio of the present ages of a mother and daughter is 7:1. Four years ago the ratio of their ages was 19:1. What will be the mother's age four years from now?

Which of the following is a factor of 5! + 6! + 7! + 8! + 9!?

In triangle PQR, PQ = 12 units and PR = 16 units. Point S is on side QR such that Q-S-R and PQ = PS. M is the midpoint of side PR. What is the distance between the midpoints of segments QS and PR?

The angle subtended by an arc at the centre of a circle is 40° If the area of the sector formed by the arc and the radii of the circle is 68 4/9 sq. cms, find the radius of the circle (take π=22 /7)