Question : During a school excursion, each student of the junior school was charged Rs. 325 and each student of the senior school was charged Rs. 400. If there were 80 students from junior school and the combined average amount charged per student was Rs. 352, how many students from senior school went for the excursion?

Option 1: 55

Option 2: 45

Option 3: 50

Option 4: 40

Question : The average (arithmetic mean) amount of savings for ten students is Rs. 600. Three of the students have no savings at all, and each of the others has at least Rs. 250, including Nihar, who has exactly Rs. 1300. The largest amount, in rupees, that any one student could have saved is:

Option 1: Rs. 3,250

Option 2: Rs. 3,450

Option 3: Rs. 3,650

Option 4: Rs. 3,850

Question : There is a 40% increase in an amount in 8 years at simple interest. What will be the compound interest on Rs. 10,000 after 3 years at the same rate?

Option 1: Rs. 1,576.25

Option 2: Rs. 6,305

Option 3: Rs. 7,881.25

Option 4: Rs. 4,728.75

Question : In a school, there are 1500 students, 44% of whom are girls. The monthly fee for each boy is Rs. 540 and the fee for each girl is 25% less than that of a boy. The sum of the fees for both boys and girls is:

Option 1: Rs. 720600

Option 2: Rs. 720800

Option 3: Rs. 720900

Option 4: Rs. 721000

Question : Two blends of a commodity, costing Rs. 35 and Rs. 40 per kg, respectively, are mixed in the ratio 2 : 3 by weight. If one-fifth of the mixture is sold at Rs. 46 per kg and the remaining, at the rate of Rs. 55 per kg, the profit percentage is:

Option 1: 50

Option 2: 30

Option 3: 40

Option 4: 20

Question : In a team of 10 persons, nine spent Rs. 40 each for their meal, and the remaining one spent Rs. 9 more than the average expenditure of all the 10 persons. The total expenditure for their meal was:

Option 1: Rs. 510

Option 2: Rs. 310

Option 3: Rs. 410

Option 4: Rs. 610