In ΔPQR , ∠R=54° the perpendicular bisector of PQ at S meets QR at T. If ∠TPR =46°, then what value of (in degree) ∠PQR?

The bar chart given below shows the exports (in ₹000) and imports (in ₹000) of a country for 5 consecutive years.

What is the positive difference in the total export figures of all the five years taken together and the total import figures of all the five years taken together?

The average of the three numbers is 60. The first number is one-fourth of the sum of the remaining two numbers, the first number is-

Which of the two numbers should be reduced in the ratio of 15:19 so that the ratio becomes 3: 4?

The average marks obtained in a class of 50 students is 70%. The average of first 25 is 60% and that of 24 is 80%. What is the marks obtained by the last student?

If $$ {sin\ θ\ cosec\  θ\over tan θ}=4 $$  then Find the value of tan θ ?

The number which can be written in the form of n (n+1) (n+2), where n is a natural number, is: 

A semi-circular sheet of metal of diameter 28 cm. is bent into an open conical cup. The depth of the cup is approximately