6, 3, 3, 6, 24, ?
Find the next number in the given number series?
Given
6 3 3 6 24 ?
Here
6
6 x 0.5 = 3
3 x 1 = 3
3 x 2 = 6
6 x 4 = 24
24 x 8 = 192
The next number in the given series is 192.
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Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:
Let the third number be x. Then, first number = 120% of x =120x/100 = 6x/5
Second number =150% of x = 150x/100 = 3x/2 Ratio of first two numbers = 6x/5 : 3x/2 = 12x : 15x = 4 : 5
Find out the wrong number in the given sequence of numbers.
56, 72, 90, 110, 132, 150
The numbers are 7 x 8, 8 x 9, 9 x 10, 10 x 11, 11 x 12, 12 x 13.
So, 150 is wrong.
45% of 750 - 25% of 480 = ?
Given expression = (45 x 750/100) - (25 x 480/100) = (337.50 - 120) = 217.50
Insert the missing number.
2, 6, 12, 20, 30, 42, 56, (....)
The pattern is 1 x 2, 2 x 3, 3 x 4, 4 x 5, 5 x 6, 6 x 7, 7 x 8.
So, the next number is 8 x 9 = 72.
What is the value of 6x2 - 5y26x2 + 5y2, if x = 13 and y = 15?
Find the unit digit of the expression
312+322+332+342+352+362+372+382+392
2, 4, 12, 48, 240, (....)
Go on multiplying the given numbers by 2, 3, 4, 5, 6.
So, the correct next number is 1440.
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