Directions (1-6): Study the following graph carefully and answer the questions given below:
1.If the compound interest accrued on an amount of T 14500 in 2 yr is T 4676.25, what is the rate of interest percent per annum? (3)
(1) 11 (2) 9 (3) 15 (4) 18 (5) None of these
2.Three friends A, B and C start running around a circular stadium and complete a single round in 24 s, 36 s and 30 s, respectively. After how many minutes will they meet again at the staring point? (2)
(1) 12 (2) 6 (3) 8 (4) 15 (5) 18
3.If the perimeter of a square is equal to the radius of a circle whose area is 39424 sq cm, what is the area of the square? (3)
(1) 1225 sq cm (2) 441 sq cm (3) 784 sq cm
(4) Cannot be determined (5) None of these
4.Rahul spends 50% of his monthly income on household items, 20% of his monthly income on buying clothes, 5% of his monthly income on medicines and the remaining amount of T 11250 he save. What is Rahul’s monthly income? (4)
(1) T 38200 (2) T 3400 (3) T 41600 (4) T 45000 (5) None of these
5.At present, Meena is eight times her daughter’s age. Eight years from now, the ratio of the ages of Meena and her daughter will be 10 : 3, respectively. What is Meena’s present age? (1)
(1) 32 yr (2) 40 yr (3) 36 yr
(4) Cannot be determined (5) None of these
6.In how many different ways can 4 boys 3 girls be arranged in a row such that all the boys stand together and all the girls stand together? (3)
(1) 75 (2) 576 (3) 288 (4) 24 (5) None of these