NSTSE (National Science Talent Search Exam Unified Council) Class 7: Questions 184  189 of 1732
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Question number: 184
» Mathematics » Comparing Quantities
Question
In a quiz program the ratio of correct answers to incorrect answers is 5: 3. If 21 incorrect answers are given then the number of correct answers given is
Choices
Choice (4)  Response  

a.  32 

b.  35 

c.  25 

d.  30 

Question number: 185
» Mathematics » Simple Equations
Question
The total cost of three prizes is 3200 Rs. If the value of second prize is of first and the value of 3^{rd} prize is of the second prize, find the value of first prize.
Choices
Choice (4)  Response  

a.  1720 Rs. 

b.  1800 Rs. 

c.  1890.13 Rs. 

d.  1816.22 Rs. 

Question number: 186
» Mathematics » Simple Equations
Question
The total cost of three prizes is 2580 Rs. If the value of second prize is of first and the value of 3^{rd} prize is of the second prize, find the value of first prize.
Choices
Choice (4)  Response  

a.  1980 Rs. 

b.  1290 Rs. 

c.  1650 Rs. 

d.  1720 Rs. 

Question number: 187
» Mathematics » Simple Equations
Question
The present age of A is half that of B. 15 years from now, age of A will be times of B. Find the present ages of A and B respectively.
Choices
Choice (4)  Response  

a.  50,25 

b.  45,22.5 

c.  22.5,45 

d.  25,50 

Question number: 188
» Mathematics » Simple Equations
Question
A number of oranges are distributed among A, B and C in the ratio 2: 3: 5 respectively. If A gets 24 oranges, then total number of oranges is
Choices
Choice (4)  Response  

a.  150 

b.  120 

c.  130 

d.  180 

Question number: 189
» Mathematics » Simple Equations
Question
The sum of 5 consecutive integers is 80. Then the greatest among them is
Choices
Choice (4)  Response  

a.  18 

b.  15 

c.  19 

d.  12 
