SSC Selection Post 2021 Matriculation Level Question Paper (02 Fe..

If a:b=7:4, then find (2a+7b):(7b−2a).

The simple interest on a certain sum for 4
2
1
​
years at 10% p.a. is 60% of the compound interest on a sum of Rs. 12,000 for 1 year at 10% p.a., interest compounded half yearly. The sum on which the simple interest is calculated is:

A man is delayed in reaching his workplace by 30 minutes due to bad traffic as he can drive at
9
7
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of his usual speed. What is his usual time (in hours and minutes) of travel?

A sold an article to B at 25% profit, B sold it to C at a 12% loss. If C paid Rs. 1,815 for the article, how much (in Rs.) did A pay for the article?

The average weight of a class of 20 students is 44kg. A new student joins the class and the average weight decreases by 300gm. What is the weight of the new student (in kg)?