Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 154  159 of 224
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Question number: 154
» Mathematics » Number Systems
Question
A threedigit number has digits h, t and u (from left to right) with h > u. If the digits are reversed and the number thus formed is subtracted from the original number, the unit’s digit in the resulting number is 4. What are the other two digits of the resulting number from left to right?
Choices
Choice (4)  Response  

a.  5 and 9 

b.  5 and 4 

c.  9 and 5 

d.  4and 5 

Question number: 155
» Mathematics » Basic Geometry
Question
AOBC is a rectangle whose three vertices are vertices A (0,3), O (0,0) and B (5,0). The length of its diagonal is
Choices
Choice (4)  Response  

a.  4 

b.  5 

c. 


d.  3 

Question number: 156
» Mathematics » Probability
Question
From 1 to 100 numbers, 3 numbers are selected at random, what is the probability that the numbers selected will have an odd sum?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 157
» Mathematics » Trigonometry
Question
If and , α and β lies between 0 and , then the value of tan 2α is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 158
» Mathematics » Percentage
Question
The difference between a discount of 40 % on Rs. 1000 and two successive discounts of 35 % and 5 % on the same amount is
Choices
Choice (4)  Response  

a.  Rs. 18.00 

b.  Rs. 15.50 

c.  Rs. 16.50 

d.  Rs. 17.50 

Question number: 159
» Mathematics » Arithmetic Progessions
Question
If x + =, then the value of x^{3} + is
Choices
Choice (4)  Response  

a.  7 

b.  5 

c.  2 

d.  8 
