For the following questions answer them individually
The average weight of 38 students of a class was 44 kg. After 12 new students joined the class, the average weight increased by 4.68 kg. What is the average weight of 12 new students who joined the class ? (in kg)
Sonalās age 4 years hence will be equal to Radhikaās age five years ago. If the respective ratio between Radhikaās present age and Komalās present age is 3 : 2 and Komalās present age is 22 years, what is Sonal's present age ? (in years)
4/9th of the girls and 3/7th of the boys of a primary school participated in annual sports. If the number of participating students is 302 out of which 138 are boys, what is the total number of students in the primary school ?
A and B together can finish a piece of work in 12 days while B alone can do it in 30 days. In how many days can A alone finish the work ?
What will come in place of the question mark (?) in the following number series?
For the following questions answer them individually
A, B and C started a business together. The respective ratio of investment of A and B was 7:9 and that of B and C was 18:11. All of them invested for equal period of time. If the total profit earned by them was Rs. 15,050. what was Cās share of profit?
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