Question The average weight of three boys P, Q and R is 54 kg, while the average weight of three boys Q, S and T is 60 kg. What is the average weight of P, Q, R, S and T? Type multiple_choice Option 66.4 kg incorrect Option 63.2 kg incorrect Option 58.8 kg incorrect Option […]
Question Given that √12 = 3.464 and √120 = 10.95, find the value of √1.2 + √1200 + √0.012. Type multiple_choice Option 32.164 incorrect Option 35.844 correct Option 36.164 incorrect Option 37.304 incorrect Solution Given exp. = √1.2 +√1200 +√0.0120 = √120/100 +√12*100 + √120/10000 = (√120)/10 + √12 * 10 + (√120)/100 = 10.95/10
Given that √12 = 3.464 and √120 = 10.95, find the value of √1.2 + √1200 + √0.012. Read More »
Question If 2x +3y = 30 and (x+y)/y = 11/8, then find the value of 5y + 6x Type multiple_choice Option 72 incorrect Option 58 correct Option 64 incorrect Option 29 incorrect Solution The given equations are : 2x + 3y = 30 ——— (i)and, (x+y)/y = 11/88x + 8y = 11y8x – 3y =0
If 2x +3y = 30 and (x+y)/y = 11/8, then find the value of 5y + 6x Read More »
Question 3639 + 11.95 – x = 3054. Find the value of x. Type multiple_choice Option 407.09 incorrect Option 479.75 incorrect Option 523.93 incorrect Option 596.95 correct Solution Let 3639 + 11.95 – x = 3054 Then, x = (3639 + 11.95) – 3054 = 3650.95 – 3054 = 596.95
Question The ratio of two numbers is 4 : 5 and their H.C.F is 4. Find their L.C.M. Type multiple_choice Option 96 incorrect Option 80 correct Option 73 incorrect Option 48 incorrect Solution Let the numbers be 4x and 5x. H.C.F = x. So, x=4. So, the numbers are 16 and 20 L.C.M of
The ratio of two numbers is 4 : 5 and their H.C.F is 4. Find their L.C.M. Read More »
Question The unit digit in the product (624 * 708 * 913 * 463) is: Type multiple_choice Option 2 incorrect Option 5 incorrect Option 6 incorrect Option 8 correct Solution Unit digit in the given product = Unit Digit in (4*8*3*3) = 8
The unit digit in the product (624 * 708 * 913 * 463) is: Read More »
Question The L.C.M. of two numbers is 14560 and their H.C.F. is 13. If one of them is 416, the other is Type multiple_choice Option 460 incorrect Option 455 correct Option 450 incorrect Option 445 incorrect Solution
Question The greatest number of four digits which is divisible by 15, 25, 40, 75 is Type multiple_choice Option 600 incorrect Option 9000 incorrect Option 9600 correct Option 9400 incorrect Solution
The greatest number of four digits which is divisible by 15, 25, 40, 75 is Read More »
Question An integer is 10 more than its one-third part. The integer is Type multiple_choice Option 15 correct Option 12 incorrect Option 18 incorrect Option 25 incorrect Solution
