In a Mathematics examination the numbers scored by 5 candidates are 5 successive odd integers. If their total marks is 185, the highest score is

Correct Answer Is : 41

Solution Is :

From a point P on the ground the angle of elevation of the top of a 10 m tall building is 30°. A flag is hoisted at the top of the building and the angle of elevation of the top of the flagstaff from P is 45°. Find the length of the flagstaff. (Take √3= 1.732)

Correct Answer Is : 7.32m

Solution Is :

The average marks obtained by 22 candidates in an examination are 45. The average marks of the first 10 candidates are 55 and those of the last eleven are 40. The number of marks obtained by the eleventh candidate is

Correct Answer Is : 0

Solution Is :

The average of nine numbers is 50. The average of the first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is

Correct Answer Is : 24

Solution Is :

The average of the first nine integral multiples of 3 is

Correct Answer Is : 15

Solution Is :

The average of 20 numbers is 15 and the average of first five is 12. The average of the rest is

Correct Answer Is : 16

Solution Is :

Correct Answer Is : 4-Jan

Solution Is :

The marked price of a watch was 720. A man bought the same fort 550.80 after getting two successive discounts, the 1st being 10%. What was the 2nd discount ?

Correct Answer Is : 15%

Solution Is :

A man’s pension on retirement from service is equal to half the average salary during last 3 years of his service. His salary from 1-1-1983 is Rs. 380 per month with increment of Rs. 40 due on 1-10-83, 1-10-84 and 1-10-85, If he retires on 1-1-86, what pension does he draw ?

Correct Answer Is : Rs. 215

Solution Is :

If x – y = 80 and x- y= 8, then the average of x and y is

Correct Answer Is : 5

Solution Is :