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ATQ, Number of ways of forming the committee with exactly 3 girls and 2 boys = 5C3 × 4C2 = 10 × 6 = 60
A spherical metallic shell with 6 cm external radius weighs 6688 g. What is the thickness of the shell if the density of metal is 10.5 g per cm3
A laptop was sold for ₹40,500, resulting in a 10% loss. If it had been sold for ₹52,200 instead, what would the profit percentage have been?
Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 30 minutes to cover 40 km in downstream, then find th...
In triangle ABC, if angle A = 30°, angle B = 60°, and side a = 10 cm, find side b.
If a person invests ₹50,000 in a scheme offering a compound interest of 5% per annum, calculate the total amount he will have after 3 years. Assume th...
The average number of boys in three classes is 8 more than the average number of girls in the same three classes. The total number of girls in all the t...
Find the value of the given expression:
A bag contains coins of ₹1, ₹2, and ₹5 denominations in the ratio 3:2:1. If the total amount in the bag is ₹240, find the number of ₹2 coins.
Two individuals, A and B, started a business by investing ₹7,200 and ₹11,700, respectively. After 20 months, A withdrew his entire investment. At th...
A rectangular field has a length of 120 meters and a width of 80 meters. A pathway 2 meters wide is constructed along the inside edge of the field, all ...
