Question
The ratio of the ages of a child, his father and
grandfather is 1 : 5 : 9. Three years hence, the child will be 10 years old. What is the present age of the grandfather?Solution
The correct answer is B
A man observes the top of a lighthouse from a point on the ground 30 m away from its base. If the angle of elevation is 60°, what is the height of the ...
The average of 16 numbers is 82. The average of the first 8 numbers is 90, while the average of the last 9 numbers is 75. If the 8th number is removed, ...
- In a school election between two contestant’s 'A' and 'B', 'A' secured 62% of the total votes and won by 7,440 votes. Find how many votes 'B' got.?
A product is bought for Rs. 1,800. The shopkeeper tags it at 25% above the cost price and offers a discount of Rs. 200 at the time of sale. What is the ...
- An article is sold at a loss of 10% and its selling price is Rs. 210 less than the selling price when it is sold at a profit of 20%. If the article is actu...
- In a group, if 3 people with an average weight of 70 kg leave, the average weight of the remaining group drops by 2 kg. However, if 4 people of average wei...
In a container, the ratio of milk to water is 9:7. If 32 litres of water is added, the quantities of milk and water become equal. What is the total quan...
- Four traffic lights blink at intervals of 3 seconds, 6 seconds, 9 seconds, and 12 seconds respectively. How many times will they blink together in 36 minut...
In a test, Riya got 40% of the total marks and was short by 16 marks to pass. Meena obtained 50% marks and secured 4 marks more than the passing marks. ...
A circle has its area eleven times greater than its circumference in numeric value. Find the circle’s diameter.
