Quantitative Aptitude - Arithmetic Ability Questions

If tan 45° + cosec 30° = x, then find the value of x.

A fraction becomes 6/5 when 5 is added to its numerator and becomes 1/2 when 4 is added to its denominator. What will be the value of the fraction?

If 2/3(6x/5 - 1/4) + 1/3 = 9x/5, then what is the value of x?

If the price of onion increases from Rs 24/kg to Rs 36/kg, then by what percentage a household should decrease the consumption of onion so that
expenditure remains same?

If 15% of x is three times of 10% of y, then x:y = 

A sum of Rs 2489 is divided among A, B and C such that if Rs 12, Rs 12 and Rs 5 be diminish from the shares of A, B and C respectively, then theirshares will be in the ratio of 5 : 3 : 4. What is the new share (in Rs) of C?

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

The price of an article is cut by 33%, to restore to its original value, the new price must he increased by