Question
The average weight of a group of five persons, A, B, C,
D, and E is 66 kg. If another person K joins the group then the average weight of the group is decreased by 4 kg, then find the weight of K.Solution
Total weight of A, B, C, D, and E together = 66 × 5 = 330 kg Weight of K = 62 × 6 – 330 = 372 – 330 = 42 kg
Which of the following numbers will replace the question mark (?) in the given series?
98, 105, 52.5, 59.5, ?, 36.75
Six friends J, K, L, M, N and O are sitting around a circular table facing the centre. N is not an immediate neighbour of M. M is sitting to the immedia...
If 'I' stands for '+', 'J' stands for '×', 'K' stands for '÷' and 'L' stands for '–' what will come in place of the question mark (?) in the followi...
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
xy_z_xxy_zbx_yx_bx_y_z_x
Which number will replace the question mark (?) in the following series?
6, 20, 42, ?, 110, 156
A paper is folded and cut as shown below. How will it appear when unfolded?
In the following triad, each group of letters is related to the subsequent one following a certain logic. Select the option that follows the same logic....
If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, what will come in place of the...
Select the number from among the given options that can replace the question mark (?) in the following series.
86, 74, 62, 54, ?, 42, 38
Statements:
Some rats are mats.
All mats are ants.
Conclusions:
I. Some rats are ants.
II. Some ants are mats.
Relevant for Exams:
