Quantitative Aptitude - Arithmetic Ability Questions

The volume of a spherical balloon is increased by 700%. What is the percentage increase in its surface area?

The average of five consecutive even numbers is 40. What is the value of smallest of these numbers?

A sum fetched a total simple interest of Rs.5,400 at the rate of 12.5 %/yr in 4 years. What is the sum (in Rs)?

In the following question, select the odd number from the given alternatives.

A bag has Rs 43 in the form of 5-rupee, 50-paise and 10-paise coins in the ratio of 1:5:11. What is the total number of 50-paise coins?

What is the LCM of 64 and 56?

What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?

53.01 - 345.02 ÷ 22.99 = 2 ×(?)

Consider  the  multiplication  999  ×  abc  =  def132  in  decimal  notation, where  a,  b,  c,  d,  e  and  f  are digits. What are the values of a, b, c, d, e and f respectively?