Bank PO-practice questions

Number series Practice Questions-2

In the following number series, only one number is wrong. Find out the wrong number.

1. 28  39  63  102  158  (?)

(a) 232               (b) 242               (c) 233               (d) 244

(e) None of these

2. 19   25   45   87  159  (?)

(a) 254               (b) 279               (c) 284               (d) 269

(e) None of these

Number series Practice Questions-3

Find wrong number in the series.

1. 9050    5675   3478   2147   1418   1077   950

(a) 3478             (b) 1418              (c) 5675              (d) 2147

(e) 1077

2. 6   91   584   2935   11756   35277   70558

(a) 91                  (b) 70558          (c) 584               (d) 2935

(e) 35277

Numbers, hcf and lcm Practice Questions

1. If the cost of 2 pens and 5 books is Rs, 100, what will be the cost of 8 pens and 20 books of the same type?

(a) Rs. 200        (b) Rs.  300       (c) Rs. 400

(d) Can't be determined             (e) None of these

2. There are five numbers. HCF of each possible pair is 4 and LCM of all the five numbers is 27720. What is the product of all the five numbers?

(a) 27720 × 4⁴                               (b)