HSSC Group D (Part-I)

Total Questions: 100

21. Wheat at ₹ 9.30 per kg is mixed with another quality of wheat in the ratio 8 : 7. If the mixture so formed be worth ₹ 10 per kg, what is the rate per kg of the second quality of wheat? []

Correct Answer: (d) ₹ 10.80

22. The number that must be added to each term of a : b so as to get the ratio c : d is: []

Correct Answer: (a) ab-bc ÷ c-d

23. The smallest 5-digit number which is exactly divisible by 12, 15 and 18 is: []

Correct Answer: (a) 10,080

24. Solve for x: x ÷ x-1 + 1 ÷ x+1 = 2x ÷ x²-1 []

Correct Answer: (b) 1

25. A certain sum is divided in the ratio 3:5. If the greater part is ₹ 75, then the sum is: []

Correct Answer: (b) ₹ 120

26. A and B started a business by investing ₹ 85,000 and ₹ 15,000 respectively. In what ratio, out of the following, their profits will be divided after one year? []

Correct Answer: (a) 17 : 3

27. In how many years will a sum ₹ 8,000 at 5% per annum compound interest, compounded annually becomes ₹ 9261? []

Correct Answer: (a) 5

28. A motorist travelled between two towns, which are 65 km apart, in 2 hours 10 minutes. The speed in meters per minute is: []

Correct Answer: (c) 500

29. The single discount equivalent to two successive discounts of 20% and 10% is: []

Correct Answer: (d) 28%

30. If 0<x<1, then the greatest number among the following is: []

Correct Answer: (a) 1 ÷ x²