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If we draw a perpendicular to a chord of any circle, the per divide the chord in two equal part. CD is chord for small circle and AB is chord for bigger circle. r = small circle radius R = bigger circle radius Apply PGT in ∆ OTC x2 = (x)2 – (12)2 ---- (1) Apply PGT in ∆ OAP x2 = (R)2 – (15)2 ------(2) From (1) and (2) R2 – (15)2 = r2 – (12)2 R2 – r2 = 225 – 114 = 81 Apply PGT in ∆ OTM R2 – r2 = TM2 81 = TM2 TM = 9 We know OT divide chord MN in 2 equal part (TM = TN) MN = TM + TN MN = 9 + 9 = 18
Select the option that is related to third letter cluster in the same way as the second - letter cluster is related to the first letter- cluster.
Select the option that is related to the third number in the same way as the second number is related to first number and the sixth number is related to...
Select the option that is related to the third word in the same way as the second word is related to the first word.
(The words must be consid...
If 23 @ 18 = 9 and 29 @ 24 = 21', then 24 @ 19 = ?'. What will come in place of question mark?
Select the option that is NOT like the given set.
(8, 40, 56)
If 38 @ 18 = 88 and 46 @ 28 = 104, then 32 @ 30 = '?'.
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
First row: 26, 312, 14
Second row...
Select the option in which the numbers share the same relationship in set as that shared by the numbers in the given set. (Note: Operations should be p...
123 : 321 :: 564 : ?
Select the option that is related to the third term in the same way as the second term is related to first term and the sixth term is related to the fi...
