question_answer3) In Fig. 2, if DE 11 BC, then x equals (a) 6 cm (b) 8 cm (c) 10 cm (d) 12.5 cm
View Answer play_arrowquestion_answer5) Given that the value of is (a) -1 (b)1 (c) (d)
View Answer play_arrowquestion_answer6) In fig. 3, Ad = 4 cm, BD = 3 cm and CB = 12 cm, then equals (a) (b) (c) (d)
View Answer play_arrowquestion_answer9) If sec then A + B is equal to (a) Zero (b) 90? (c) < 90? (d) > 90?
View Answer play_arrowquestion_answer11) Is composite number? Justify your answer.
View Answer play_arrowquestion_answer13) In Fig. 4, ABCD is a rectangle and the values of x and y.
View Answer play_arrowquestion_answer14) If show that tan OR If evaluate
View Answer play_arrowquestion_answer15) In Fig. 5, and Prove that
View Answer play_arrowquestion_answer16) In Fig. and Prove that
View Answer play_arrowquestion_answer17) The following distribution gives the daily income of 50 workers of a factory :
Daily income (in rupees) | 100-120 | 120-140 | 140-160 | 160-180 | 180-200 |
Number of Workers | 12 | 14 | 8 | 6 | 10 |
question_answer18) Find the mode of the following distribution of marks obtained by 80 students:
Marks obtained | 0-10 | 10-20 | 30-30 | 30-40 | 40-50 |
Number of students | 6 | 10 | 12 | 32 | 20 |
question_answer20) Prove that is irrational. OR Prove that is irrational.
View Answer play_arrowquestion_answer24) If show that
View Answer play_arrowquestion_answer25) In Fig. 7, and Prove that
View Answer play_arrowquestion_answer27) Find mean of the following frequency distribution, using step-deviation-method:
Classes | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 |
Frequency | 7 | 12 | 13 | 10 | 8 |
Classes | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 |
Frequency | 2 | 3 | 5 | 3 | p |
question_answer28) Find the median of the following data
Classes | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 | 70-80 | 80-90 | 90-100 |
Frequency | 5 | 3 | 4 | 3 | 3 | 4 | 7 | 9 | 7 | 8 |
question_answer29) Find other zeroes of the polynomial if two of its zeroes are and
View Answer play_arrowquestion_answer31) Prove that OR Evaluate
View Answer play_arrowquestion_answer32) If prove that
View Answer play_arrowProduction yield in kg/hectare | 50-55 | 55-60 | 60-65 | 65-70 | 70-75 | 75-80 |
Number of farms | 2 | 8 | 12 | 24 | 38 | 16 |
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