The average height of 20 students of class 8 is 152 cm and the average height of 15 students of class 9 is 168 cm. What is the average height (to the nearest cm) of the students of both classes? Options a) 159b) 160c) 157d) 158 Solution As per questionThe average height of 20 students […]
A batsman scored 124 runs, which included 6 boundaries and 10 sixes. what percentage of his total score did he make by running between the wickets? Optionsa) %b) %c) %d) % Solution As per questionThe batsman scored from boundaries = 6 x 4 = 24 runs The batsman scored from sixes = 10 x 6
The certain sum amounts to Rs 9,982.50 in years at 12% p.a., interest compounded 10-monthly. The sum (in Rs) is: Options a) 8500b) 7800c) 8000d) 7500 Solution As per question Interest rate per year = 12%Interest rate to 10 months = = 10%Time = = 30 months Time = = 3A = 9982.50 = 9982.50 =
The value of 3×7+5−6÷3−9+45÷5×4−45 is: Optionsa) 9b) 6c) 7d) 36 Solution As per question 3×7+5−6÷3−9+45÷5×4−45 3×7+5−2−9+9×4−45 21+5−2−9+36−45 26−2−9+36−45 62−47−9 62−56 6 Ans: 6
A certain sum amounts to Rs 13200 after 4 years and to Rs 16400 after 8 years at the same rate percent p.a. at simple interest. The simple interest (in Rs) on the same sum at 10% p.a. for 3 1/5 years will be : Options a) 4000b) 3200c) 2500d) 3500 Solution As per questionP = Principle
A certain sum amounts to Rs 13200 after 4 years and to Rs 16400 after 8 years Read More »
What is the least number added to 2483 so that it is completely divisible by 3, 4, 5 and 6? Options a) 37 b) 23c) 22d) 30 Solution As per question LCM of 3 , 4 , 5 , 6 = 60Quotient = 41Remainder = 2360 – 23 = 37 Ans : 37 to be
The value of is : Options a) b) c) d) Solution As per question Ans:
The value of 33/40+1/5[4/5−1/5×(7/8−5/4)]−4/5 is : Read More »
Two numbers are in the ratio 9 : 11. If their HCF is 23, then the difference of the two numbers is: Options a) 46b) 146c) 56d) 253 Solution As per question Two numbers are in the ratio a : b = 9 : 11HCF = 231st No. = 23 x 9 = 2072nd No.
A shopkeeper buy a table fan marked at Rs 2,600 on 18% discount He marked it for Rs 2,800 and allows a 15% discount. How much does he earn? Optionsa) Rs. 420b) Rs. 200c) Rs. 220d) Rs. 248 Solution As per questionCP = = 468 Rs.= 2600 – 468 = 2132 Rs.SP = = 420
The perimeter of an equilateral triangle is cm. Find its height. Options: a) 10 cmb) 18 cmc) 9 cmd) 6 cm Solution: Perimeter of an equilateral triangle = 3 x sides =side = Height of triangle is = side== = 18 Ans : Height of = 18 cm
The perimeter of an equilateral triangle is 36√3 cm. Find its height. Read More »