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Solids and liquids have higher mass densities (r) than gases. But the corresponding increase in both the modulus (B) of solids and liquids is much higher. The speed of the sound in Steel is 5941 (m s-1) The speed of the sound in Brass is 2,120 (m s-1) The speed of the sound in Helium is 965 (m s-1)
Aryan, Bhavya, and Chetan initiated a venture with initial investments of Rs. 50,000, Rs. 60,000, and Rs. 72,000 respectively. After six months, Aryan, ...
A scored 32% marks and failed by 70 marks whereas B scored 64% marks, which was 90 more than the passing marks of the examination. Find the total marks ...
Heena decided to save 15% of her salary as fixed deposit. Later, she changed her mind and saved Rs 4800 which was 80% of what she had decided earlier. ...
The only expenses of Arun are on grocery, rent and fun expenses. Arun spent Rs. 4,250 on fun, amount spent by him on rent is Rs. 9,000 more than that on...
Out of the total number of players, 100/3 % are in hotel X and the remaining are in hotel Y. If 20 players from hotel Y are shifted to hotel X, then the...
A student scored 75 marks in Mathematics, 85 marks in Science, and 90 marks in English out of a total of 100 marks in each subject. If the weightage of ...
A man spent 55% of his income in May. If his savings is increased by 30% in June and becomes Rs. 5850, then find the income of man in May.
Out of a total of 200 students in a class, 60% are boys and the rest are girls. Out of the total number of students who appeared in the class test, 25% ...
In a test, P got 26% of total marks and failed by 30 marks while Q got 46% of total marks which is 24 more than passing marks. Find the total marks of t...
