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Start learning 50% faster. Sign in nowFrequencies of the classes are plotted by dots against the mid-points of each class. The adjacent dots are then connected by straight lines. The resultant graph is known as “ frequency polygon” .
Meenu spent 30% of the salary on entertainment and 10% on makeup. She spent 10% of the remaining on the food and 50% of the remaining invested in mutual...
A person sells each package of snacks for Rs. 20 each. On Monday, he sold 100 packages which was 20 more than that on Tuesday but 10 less than that on W...
A certain value is initially increased by 40% and then reduced by 25%. Determine the overall percentage change in the initial value.
A man invests 'x'% of his monthly salary of Rs. 48,000 at an interest rate of 12.5% simple interest. After 4 years, the interest earned amounts to Rs. ...
Raj has 120 kg of apples (rotten and fresh). He sold 30% of the total apples such that out of the remaining apples, 20% are rotten. Find the percentage ...
Monthly income of A is Rs. 44500 out of which he spent 22%, 14% and 23% of his total income in rent, medicine and transportation, respectively. Find his...
In a college, 72% of the student could cast their votes and none of the votes cast were invalid. Only two students were contesting the elections and the...
