For the following questions answer them individually
One fourth of two-fifth of 30% of a number x is equal to 15. Find 20% of the same number.
The difference between the compound interest and the simple interest for a period of 2 years at the rate of 10% per annum is Rs. 50. Find the principal.
An article is sold at a loss of 10%. Its cost price is Rs.800. A discount of 20% was offered on the labelled price while selling. What is the loss per cent at the labelled price ?
The average age of some males and 15 females is 18 years. The sum of the ages of 15 females is 240 years and average age of males is 20 years. Find the number of males.
If sum of smaller number x and two times the other number is equal to the sum of two times the smaller number and 16. The difference between the numbers is 6. Find the smaller number.
The area of a right angled triangle is 80 sq. cm. The ratio of the base and the height of the triangle is 4 : 5. Find the length of hypotenuse.
Sixteen men and twelve women can complete a work in 8 days, if 20 men can complete the same work in 16 days, in how many days 16 women can complete the same piece of work ?
If A's salary is Rs. 10,000 less than B's salary, B's salary is 15,000 less than C's salary and the sum of A, B and C's salary Is Rs. 65,000, find the salary of A.
What will come in place of the question mark (?) in the following number series?
20 23 30 43 64 ?
What will come in place of thequestion mark (?) in the following number series?
33 16.5 ? 24.75 49.5 123.75