Quant Quiz – Series & Approximation – 10

Hello and welcome to exampundit. Here is a set of Quantitative Aptitude quiz on Series and Approximation.

Quant Quiz

What approximate value will come in place of (?) in the following questions

  1. 7439.99÷33.67×11.64=?×8.809-110.2315

(A) 240
(B) 220
(C) 280
(D) 270
(E) 250

Answer

Option: C

 

  1. 989/34÷65/869×515/207=?

(A) 990
(B) 950
(C) 980
(D) 970
(E) 1000

Answer

Option: D

 

  1. (32.0987)²+(23.675)²-(17.0091)²=?

(A) 1320
(B) 1210
(C) 1310
(D) 1220
(E) 1350

Answer

Option: C

 

  1. √5456×√2121÷√461.09=?

(A) 140
(B) 170
(C) 150
(D) 160
(E) 180

Answer

Option: D

 

  1. 67.2367%of 800.90-230.87=?-23.019%0f 789

(A) 500
(B) 485
(C) 490
(D) 480
(E) 495

Answer

Option: C

 

Find the next number in the series

  1. 3, 35, 99, ?, 293

(A) 207
(B) 201
(C) 189
(D) 195
(E) 187

Answer

Option: D

Explanation:

1×3=3

5×7=35

9×11=99 and so on

 

  1. 9, 73, 241, ?, 1081

(A) 349
(B) 345
(C) 299
(D) 561
(E) 567

Answer

Option: D

Explanation:

9=1²+2³

73=3²+4³

241=5²+6³

And so on

 

  1. 369.0912, 248.0912, ?, 267.0912, 331.0912

(A) 362.0912
(B) 384.0912
(C) 347.0912
(D) 348.0912
(E) 326.0912

Answer

Option: D

Explanation:

-11², +10², -9², +8²

 

  1. 10, 6, ?, 6.48, 8.48

(A) 4.76
(B) 5.06
(C) 5.66
(D) 5.60
(E) 4.70

Answer

Option: D

Explanation:

6=10×2/5+2

5.6=6×3/5+2

6.48=5.6×4/5+2

And so on

 

 

  1. ?, 15, 32, 66, 134, 270

(A) 6.05
(B) 6.04
(C) 6.40
(D) 6.50
(E) 5.50

Answer

Option: D

Explanation:

6.5×2+2

15×2+2

32×2+2

And so on