Ans 6:
Class : Class 9
x = 2k/3 and Y = 8k/5Therefore, x : y= x/y = (2k/3)/(8k/5)= (2k/3) *(5/8k)On cancelling, 2k with 8k, we get= (1/3) * (5/4) = 5/12Thus, x:y = 5:12Answer - (C)
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is twice the difference between the 6th and the 10th multiple of 7.Ans 1: (Master Answer)
Class : Class 1
(B): 6th multiple of 7 = 42
10th multiple of 7 = 70
Now, 
= 2 × (70 - 42) = 2 × 28 = 56
Ans 3:
Class : Class 8
6th multiple of 7 = 4210th multiple of 7 = 7042 - 70 = 2828* 2 = 56So, the correct answer is B.
Ans 4:
Class : Class 1
Ans 1 I think u have copied this from the solution. This is the same thing in the solution. No offence.
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Ans 1: (Master Answer)
Class : Class 1
(D): Time clock showing = 5:10
Since its 5 minutes slower, actual time = 5:15
Rahul went out to play at 5:15, and came back after 25 minutes
Actual time he came back = 5:40 p.m.
Ans 2:
Class : Class 3
(D): Time the clock is showing is =5:10Since the clock is 5 minutes slower it is actually 5:15.Rahul went to play at 5:15 and came back home after 25 minutesSo, the lock shows 5:35 so the actual time is 5:40 p.m.
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if ad > bc, then _____ and if ad < bc, then ______.
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full of books and Pankaj's office is 
full of books. Whose office has less free space and by how much?
Ans 1: (Master Answer)
Class : Class 1
(C):Number of boxes = 8
Number of sweets in 1 box = 26
Number of sweets in 8 boxes = 26 x 8 = 208
Cost of 1 sweet = Rs 5
Cost of 208 sweets = 208 x 5 = Rs 1040