Question
At what % of simple interest per annum will Rs. 600
amount to Rs. 720 in five years?Solution
According to the question, P = Rs 600 T = 5 years ∴ 720 – 600 = (600 × R × 5)/100 ⇒ R = 12000/3000 = 4%
In how many different ways can the letters of the word “DISCHARGE” be arranged in such a way that the vowels always come together?
In how many different ways can the letters of the word 'COMPUTER' be arranged in such a way that the vowels always come together?
History books are never together.
Nine boys have to stand in a circle. In how many ways they are to be stand on the circumference of circle?
In a party 19 persons shake hands with every other person. Find the total no of handshakes in the party?
Four dice are rolled simultaneously. What is the number of possible outcomes in which at least one of the die shows 2?
How many four digit numbers greater than 5000 can be formed with the digits 4 ,5, 7, 8, and 9?
- A group consists of 10 boys and 6 girls. In how many ways can 6 boys and 2 girls be selected from the group?
A group consists of 6 boys and 8 girls. In how many ways can 2 boys and 3 girls be selected from the group?
In how many different ways can the letters of the word ‘NATURE’ be arranged in such a way that the vowels occupy only the odd positions?
Relevant for Exams:
