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In a right angled triangle, the hypotens...

In a right angled triangle, the hypotense is four times as long as the perpendicular drawn to itfrom the opposite vertex. Then one acute angle of the triangleis-

A

`15^(@)`

B

`30^(@)`

C

`45^(@)`

D

`60^(@)`

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The correct Answer is:
A
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 8
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  6. The soluition of the equation sin theta -2= cos 2 theta in the interv...

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  8. If tan x =b/a, then the value of (a cos 2x+ b sin 2x) is equal to-

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  9. If x= sum(n=0)^(oo) cos ^(2n)theta , y = sum (n=o) ^(oo) sin ^(2n)thet...

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  10. In a triangle PQR, angle R=(pi)/(2). If tan ""P/2 and tan ""Q/2 are th...

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  11. If A+B+C=pi then the value of cos ^(2)A + cos ^(2) B+ cos ^(2)C is-

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  12. Find the value of sin^(2)5^(@)+sin^(2)10^(@)+sin^(2)15^(@)+..............

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  13. If a,b, c are in G. P. then ((1)/(a ^(2) -b^(2))+ (1)/(b^(2))) is equl...

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  14. If the amplitude of (z-2 -3i) is pi/4, then the locus of z=x +iy is -

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  15. A fair coin is tossed 10 times. The probability of getting exactly 6 h...

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  16. The value of [""^(47)C(4) +sum (r=1)^(5) ""^(52-r)C(3)] is equal to-

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  17. If 1, omega, omega ^(2) are the cube roots of unity, then the value of...

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  18. Let l(1) and l(2) be thw two lines intersecting at P. If A(1), B(1), C...

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  19. Three numbers are chosen at random from the first 20 natural numbers. ...

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