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What is the value of 5.7 × 5.7 + 3.3 × 3.3 + 2 × 5.7 × 3.3 ?

What is the value of (0.05 × 0.4) + (0.2)² – (0.03) ?

If the radius of a sphere is thrice of the radius of a hemisphere, then what will be the respective ratio of their volumes?

What is that smallest three digit number which is exactly divisible by 3, 4 and 6 ?

Which of the following statements is/are correct?

I. $0.\overline {30}\ is\ the {\rm{;sum;of;}}0.\overline {18} {\rm{;and;}}0.\overline {12}$

II. 2/5 < 2/3 < 5/8

A metallic sphere is melted and moulded to form conical bullets. If radius of a conical bullet is six times of its own height and the radius of the conical bullet is half of the radius of the metallic sphere, then what are the numbers of bullets formed?

What is the value of 38 + 56 + 19 ÷ 57 × 114 + √36 – 49^(3/2) ?

S’s salary is firstly increased by 35 percent and then again increased by 70 percent. What is the overall percent increase in S’s salary ?

An amount of Rs. 174 is divided into p, q, and r in such a way that p receives Rs. 16 more than q and q receives Rs. 8 more than r. What is the ratio of their shares?

The average age of 135 members of a society is 65 years. By the addition of 45 new members, the average age becomes 61 years. What is the average age of the newly joined members?