Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 148  154 of 218
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Question number: 148
» Mathematics » Probability
Question
An unbiased dice is rolled twice, what is the probability of not getting a 2 in any one of the two rolls?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 149
» Mathematics » Algebraic Expressions
Question
If , then what is the value of where,
?
Choices
Choice (4)  Response  

a.  1 

b.  xy + yz + zx 

c.  1 

d.  All of the above 

Question number: 150
» Mathematics » Simple Interest and Compound Interest
Question
The difference between simple and compound interest for 2 year at 5 % per annum is Rs. 25. The sum is
Choices
Choice (4)  Response  

a.  Rs. 10100 

b.  Rs. 2500 

c.  Rs. 12000 

d.  Rs. 10000 

Question number: 151
» Mathematics » Arithmetic
Question
For a positive integer n, define d (n) = the number of positive divisors of n. What is the value of d (d (d (12) ) )?
Choices
Choice (4)  Response  

a.  1 

b.  2 

c.  4 

d.  None of the above 

Question number: 152
» Mathematics » Rational Numbers
Question
A merchant advertises 10 % off on the items bought from his store. The total discount got by a customer who bought a suitcase worth Rs. 560, a bag worth Rs. 90 and a towel worth Rs. 45 is
Choices
Choice (4)  Response  

a.  Rs. 71.50 

b.  Rs. 69.50 

c.  Rs. 70 

d.  All of the above 

Question number: 153
» Mathematics » Trigonometry
Question
If , then the value of is
Choices
Choice (4)  Response  

a.  3 

b.  ½ 

c.  2 

d.  1 

Question number: 154
» Mathematics » Trigonometry
Question
Given that and area of ∆ ABC = 16, area of ∆PQR = 9.
If PQ = 18 cm and BC = 12 cm. Then, AB and QR are, respectively
Choices
Choice (4)  Response  

a.  13.5 cm, 16 cm 

b.  9 cm, 24 cm 

c.  32 cm, 6.75 cm 

d.  24 cm, 9 cm 
