The average age of a husband and wife was 23 years at the time of their marriage. After 5 years they have a one year old child. The average age of the family now is
Nine persons went to a hotel for taking their meals. Eight of them spent Rs 12 each over their meals and the ninth spent Rs 8 more than the average expenditure of all the nine. Total money spent by them was
1 Crore+ students have signed up on EduRev. Have you? Download the App |
If 1/x = 3 and y = 4, then what is x in terms of y?
If α and β are the two roots of the equation 2x2-7x-3=0, then find the value of (α+2)(β+2)
The minute hand and the hour hand of a clock are 14 cm and 7 cm long respectively. The total distance covered by their tips in one day is
The wheel of a scooter has a diameter of 70 cm. The number revolution it must make to maintain a speed of 33 km/hour is
A sum invested for 2 years 4 months at the rate of pa compounded annually will amount to Rs. 14,641. The sum is closest to
A park is in form of a rectangle 120m x 100m. At the centre of the park is a circular lawn. The area of the park excluding the lawn is 10614 m2. The cost of grass carpeting the lawn @ Rs. 27/m2 is
If the arithmetic mean (A.M) of seventy five numbers is calculated, it is 35. If each number is increased by 5, then A.M.of new numbers is
In the given figure AD and AF are tangents to the circle. Then the correct statement out of the following is
All sides of a polygon of 36 sides are equal. Each of its interior angle is of mesure
The angle of elevation of an object from a point P on the level ground is α . Moving d metres on the ground towards the objcet, the angle of elevation is found to be β . Then the height (in metres) of the object is
A number when divided by 32 leaves the remainder 29.This number when divided by 8 will leave the remainder
In a certain shop, which stocks four types of caps,there are 1/3 as many red caps as blue and 1/2 as many green caps as red caps. There are 42 blue caps, then what percent of the total caps in the shop are blue?
If 5% more is gained by selling an article for Rs 350, then by selling it for Rs 340,the cost of the article is