NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 675  678 of 1484
Access detailed explanations (illustrated with images and videos) to 1484 questions. Access all new questions we will add tracking exampattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.
Rs. 500.00 or
How to register?
Question number: 675
» Mathematics » Quadratic Equations
Question
If one root of is twice the other root, then the value of ‘a’ is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 676
Question
A card is drawn from a packet of 50 cards numbered 1 to 50. The probability of drawing a number which is a square is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 677
Question
The length of shadow of a tower is times that of its length. The angle of elevation of the sun is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 678
» Mathematics » Triangles
Question
In the figure, , D and E are midpoints of AB and BC and . Then ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

