Maths Quiz ( Number System ) for CTET Exam 2016_00.1
Latest Teaching jobs   »   Maths Quiz ( Number System )...

Maths Quiz ( Number System ) for CTET Exam 2016


Maths Quiz ( Number System ) for CTET Exam 2016_40.1


1. If K is the smallest prime number greater than 21 and L is the largest prime number less than 16. Then value of KL is- 
A. 299
B. 323
C. 330
D. 345
(K= 23 and L= 13
23× 13 = 299)

2. The total number of digits used in numbering the pages of book having 265 pages-
A. 684
B. 687
C. 549
D. 976
(Pages having number 1-9 = 9
Pages having number 10- 99 = 90 × 2= 180
Pages having number 100- 265= 166 ×3= 498
9+180+498= 687)

3. Value of (1-1/3) (1-1/4) (1-1/5)………………..(1-1/25) is-
A. 1/25
B. 2/50
C. 6/20
D. 2/25
(2/3 × 3/4× 4/5×………….24/25
∴ 2/25 ans)

4. The least among the rational numbers:
13/14, 25/26, 17/18, 56/57 is-
A. 25/26
B. 17/18
C. 13/14
D. 56/57
(Since, In all the fractions  the difference between the num and den is 1
∴ smallest the num , smallest the fraction…i.e 13/14)

5. Four metal rods of length 78 cm, 104 cm, 117 cm and 169 cm are to be cut into parts of equal length. Each part must be as long as possible. What is the maximum number of pieces that can be cut?
A. 34
B. 36
C. 89
D. 43
(taking H.C.F of 78, 104,117 and 169 we get the remainder 6, 8,9 and 13
After adding it: 6+8+9+13=36 ans)

6. In order to pass an exam Niti is required to get 780 marks out of the aggregate Niti got 728 marks and declared failed 5%. What is the maximum aggregate marks a student can get in the examination-
A. 1040
B. 1678
C. 1547
D. 1254
(780- 728 = 52 i.e equals to 5%
5% = 52 marks
100% = 52/5 × 100 = 1040 )

7. A girl was asked to multiply a number by 8/7 instead she divided the number by 7/8 and got the result 15 more than the correct result. The sum of the digits of the number was-
A. 5
B. 8
C. 9
D. 11
(8x/7 = 7x/ 8 + 15
8x/7 – 7x/8 = 15
By solving it , x = 56
5+6 = 11)

8. A group of 1200 army persons consisting of captains and soldiers is travelling in a train. For every 15 soldiers there is one captain. The number of captains in the given group is-
A. 90
B. 68
C. 75
D. 80
( In 1 group = 15 soldiers + 1 captain i.e 16 person
∴ 1200/16 = 75 groups = 75 captains.)

9. How many numbers lie between 300 and 400 in which 4 comes only once-
A. 19
B. 18 
C. 10
D. 16
(The numbers are: 304, 314, 324, 334, 340, 341, 342, 343, 345, 346, 347, 348, 349, 354, 364, 374, 384, 394)

10. L.C.M of two numbers is 28 times of their H.C.F and sum of L.C.M and H.C.F is 1740. If one of the number is 240, then another number is-
A. 450
B. 550
C. 560
D. 420
( L.C.M =28 H.C.F
L.C.M + H.C.F = 1740
28H.C.F + H.C.F = 1740
H.C.F = 1740/29 =60
L.C.M = 28 × 60 = 1680
∴ 60 × 1680 = 240 × x
X = (60×1680)/240 = 420 ans)
Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Login

OR

Forgot Password?

Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Sign Up

OR
Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Forgot Password

Enter the email address associated with your account, and we'll email you an OTP to verify it's you.


Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Enter OTP

Please enter the OTP sent to
/6


Did not recive OTP?

Resend in 60s

Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Change Password



Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Almost there

Please enter your phone no. to proceed
+91

Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Enter OTP

Please enter the OTP sent to Edit Number


Did not recive OTP?

Resend 60

By skipping this step you will not recieve any free content avalaible on adda247, also you will miss onto notification and job alerts

Are you sure you want to skip this step?

By skipping this step you will not recieve any free content avalaible on adda247, also you will miss onto notification and job alerts

Are you sure you want to skip this step?