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Let the age of A and B after 8 years be 4x years. and 5x years respectively. And the present age of C is ‘y’ years. So, (4x – 14)/ (y – 6) = 3/4 16x – 56 = 3y – 18 16x – 3y = 38……………. (1) And 4x – 8 + y = 60 y = 68 – 4x…………………. (2) From equations (1) and (2), we get. 16x – 204 + 12x = 38 28x = 242 x = 8.6 Present age of C = 62 -(4 ×8.6) = 27.6years
What will come in the place of the question mark (?) in the following equation, if '+' and '×' are interchanged and '–' and are interchanged?
<...Select the number from among the given options that can replace the question mark (?) in the following series.
14, 22, 34, ?, 70
Select the number from among the given options that can replace the question mark (?) in the following series.
337, 354, 373, 394, 417, ?
If a mirror is place on the line XY, then which of the answer figures is the mirror image of the given figure?
Read the given statement and conclusions carefully. Decide which of the given conclusions is/are definitely true from the statement.
Statement: F...
Which option figure would come next in the following figure series?
Select the term from among the given options that can replace the question mark (?) in the following series.
B2Y, C3X, D6W, E9V, ?
Which two signs should be interchanged to make the given equation correct?
114 ÷ 85 + 5 × 4 – 33 = 149
A team of 5 members is to be selected from 6 men A, B, C, D, E and F and 6 women P, Q, R, S, T and U, C and U have to be selected together. If B is sele...
In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the pair in which t...
