Start learning 50% faster. Sign in now
If the nth term of an A.P. is given by Tₙ = 4n + 2, then what is the sum of the first 15 terms of the A.P.?
Six years from now, the ratio of Krishna's age to his age two years ago is 3:2. Currently, Gaurav is 14 years older than Krishna....
In triangle ABC, DE is parallel to BC. If AD = 3, DB = 2, and DE = 5, what is the length of BC?
A group consists of 4 boys and 5 girls. In how many ways can a 5-member committee be formed that includes exactly 3 girls and 2 b...
A sum of money becomes ₹4600 after 3 years and ₹5400 after 5 years at simple interest. What is the principal amount?
How many perfect square factors does 512 have?
Simplify: sinx+sin 3x+sin5x
A and B invested ₹50,000 and ₹75,000, respectively, in a business. After 6 months, A withdrew ₹10,000, and B added ₹25,000. At the end of the ye...
A shopkeeper marks up the price of an article by 50% and offers two successive discounts of 20% and 15% and gain ₹80, then find the cost price of the ...
If cos θ = 3/5, find the value of sin 2θ: