For the following questions answer them individually
The table given below shows the number of boys and girls in a school in 6 years.
Which of the following statement is NOT correct?
I. The number of girls in year Y6 is 9 percent of the number of boys in year Y6.
II. The average number of boys in year Y1 and Y2 are 80.
In what ratio must water be mixed with milk worth Rs. per litre so as to produce a mixture worth Rs. 35 per litre?
(water is available free of cost)
Which of the smallest three-digit number which when increased by 5 becomes divisible by both 2 and 3?
What is the value of $$\frac{12 \times 4 \div 3 \ of \ 16 + 24 - 5}{46 \div 23 \times 2}$$?
A father's land is in the shape of a trapezium which has its parallel sides measuring 7.58 yars and 6.42 yads and the distance between the parallel sides is 6.50 yads. The cost of ploughing the land is Rs. 200 per square yard. What amount have to be spent in order to plough the entire land?
The marked price of a pen is Rs. 5000. The shopkeeper gives two successive discounts of 15 percent and b percent to the customer. If the customer pays Rs. 4080 for the pen, then what is the value of b?
A number is increased by 30% and then the increased number is decreased by 30%. The net increase or decrease is:
Average of 24 observations is 41. Average of first 9 observations is 42. Average of last 16 observations is 39. What is the value of 9th observation?
A sum becomes Rs. 33800 in 2 years and Rs. 43.940 in 3 years, when lent in a scheme of compound interest (compounding annually). If double the sum is invested in the same scheme for 2 years, then what will be the amount obtained at end of 2 years?