A factory requires 56 machines to manufacture a given number of articles in 144 days. How many machines will be required to produce the same number of articles in 96 days? Optionsa) 63b) 84c) 77d) 81 Solutions As per questionNo. of machine = 56Days = 144 = = Same number of articles- therefore W1 = […]
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 sum of Rs 73,500 is divided among A, B, C and D in the ratio 3 : 7 : 9 : 11, respectively, What is the sum of the shares of A and D? Options a) Rs. 34,300b) Rs. 39,200c) Rs. 24,500d) Rs. 29,400 Solution As per question Amount = 73500A : B :
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
The value of 3×7+5−6÷3−9+45÷5×4−45 is: Read More »
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