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Through an automatic sirens for detecting elephants approaching the NH through an infrared sensor system. As soon as an elephant is detected, a red light will turn on and the siren will go off alerting traffic for the safety. It has been done in NH 55 Odisha.
Present age of ‘A’ is 25% more than that of ‘B’. If 14 years hence from now, ‘B’ will be 13 years younger than ‘A’, then find the sum of...
Ten years ago, the average age of five employees was 35 years. The present average age is 45 years after the inclusion of two new employees. Find the pr...
A is 4 years older than B while C is 6 years younger than B. The ratio of age of A, 5 years hence and age of B, 3 years ago is 3:2. What was age of C, 6...
The total age of A, B and C four years hence will be 80 years. Find the age of C four years hence, if the present age of A and B is 33 years and 20 year...
Nine years ago, the ratio of ages of Asha and Usha was 2:3, respectively. Seven years hence, the ratio of ages of Vimal and Usha will be 5:6, respective...
In a classroom there are 16 boys and 12 girls. Average age of each boy and each girl is 21 years and 17 years respectively. The sum of ages of all the b...
6 years ago, the ratio of the ages of Tara and Uma was 5:3. The present age of Sid is 14 years more than half of Uma’s present age. Find the present a...
Ayush's current age is 25% greater than Ayushi's, and the difference between their ages is 8 years. What will be the ratio of their ages 8 years from now?
18 years ago the average age of a family of four members was 45 years. Two children were born in that span of 18 years. The present average age of the f...
