45% of 300 + $$\sqrt {?} $$ = 56% of 750 - 10% of 250

A 14.4 kg gas cylinder runs for 104 hours when the smaller burner on the gas stove is fully opened while it runs for 80 …

In a graduate class of 200, 40% are women and $$\frac{1}{5}$$ become lecturers. If the number of men who become lecturer…

Two vessels contain equal quantities of 40% alcohol. Sachin changed the concentration of the first vessel to 50% by addi…

50 minutes is what percentage of a day (approx.)-

In an examination, 34% failed in Mathematics and 42% failed in English. If 20% failed in both the subjects, the percenta…

The price of a commodity rises from Rs. 6 per kg to Rs. 7.50 per kg. If the expenditure cannot increase, the percentage …

Kamal has 160 toffees. He gave 5% toffees to Ravi, 15% toffees to Anita and one-fourth of the toffees to Gagan. How many…