question_answer1) A rational number between and is (a) (b) (c) (d) All the above.
View Answer play_arrowquestion_answer6) is equal to (a) cos 60? (b) sin 60? (c) tan 60? (d) sin 30?
View Answer play_arrowquestion_answer7) is equal to (a) tan 90? (b) 1 (c) sin 45? (d) sin 0?
View Answer play_arrowquestion_answer8) The value of cos 1? cos 2? cos 3? ..... cos 180? is (a) -1 (b) 0 (c) 1 (d)
View Answer play_arrowquestion_answer9) If ,then x = (a) 0 (b) 1 (c) -1 (d) 2
View Answer play_arrowquestion_answer10) The arithmatic mean of 1, 2, 3, ......... is (a) (b) (c) (d)
View Answer play_arrowquestion_answer13) Sum of two numbers is 35 and their difference is 13. Find the numbers
View Answer play_arrowquestion_answer14) In if AD is the bisector of prove that
View Answer play_arrowquestion_answer15) If find the value of
View Answer play_arrowquestion_answer16) If find the value of
View Answer play_arrowquestion_answer18) Find the value of p, if the mean of the following distribution is .
x | 3 | 5 | 9 | 11 | 13 |
f: | 6 | 8 | p | 8 | 4 |
question_answer20) If and are two odd prime numbers, show that is composite.
View Answer play_arrowquestion_answer21) Write the polynomial whose zeroes are and
View Answer play_arrowquestion_answer22) If 2x + y = 23 and 4x - y = 19, find the values of 5y - 2x and .
View Answer play_arrowquestion_answer23) Prove that :
View Answer play_arrowquestion_answer24) If then evaluate :
View Answer play_arrowquestion_answer26) In the give figure, and P is the mid-point of AC. Find the length of AP.
View Answer play_arrowquestion_answer27) If the mean of the following distribution is 54, find the values of p.
Class | 0-20 | 20-40 | 40-60 | 60-80 | 80-100 |
Frequency | 7 | p | 10 | 9 | 13 |
Variable | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 | 70-80 | Total |
Frequency | 12 | 13 | ? | 65 | ? | 25 | 18 | 229 |
question_answer32) Evaluate : + 2 cot 8? cot 17? cot 45? cot 73? cot 82? - 3 (sin2 38? + sin2 52?)
View Answer play_arrowClass Interval | Frequency |
0-5 5-10 10-15 15-20 20-25 25-30 30-35 35-40 | 7 10 x 13 y 10 14 9 |
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