KVPY Stream-SA (Class 11) Math: Questions 250 - 251 of 251

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Question number: 250

» Basic Mathematics » Arithmetic » Simplifying Expressions

MCQ▾

Question

Let m,n,o be non – zero real number such that mn+no+om=5 and nm+on+mo=12 , then m3n3+n3o3+o3m33 is equal to, (Model paper)

Choices

Choice (4) Response

a.

- 75

b.

55

c.

- 55

d.

150

Question number: 251

» Basic Mathematics » Geometry » Advanced Therorems and Properties

MCQ▾

Question

In an acute – angled triangle PQR , the altitudes from P,Q,R when extended intersect circumcircle again at points P,Q,R respectively. If PQR=30° , then PRR and POR are respectively (Model Paper)

Choices

Choice (4) Response

a.

120°,30°

b.

90°,30°

c.

90°,60°

d.

120°,60°

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