`{:(1.,"मादा जनन छिद्र", (i), "14, 15, 16वें खण्ड में"),(2.,"मलद्वार",(ii), "14वें खण्ड में"),(3.,"क्लाइटेलम", (iii) ,"17वें व 19वें खण्ड में"),(4.,"नर जनन छिद्र",(iv),"18वें खण्ड में"),(5.,"जेनाइटल पेपिली",(v),"अन्तिम खण्ड मे"):}`

Find the median of (i) 7, 11, 25, 45, 23, 12, 11, 9, 10 (ii) 15, 14, 11, 9, 7, 12, 18, 20 (iii) 8, 7, 9, 12, 8, 17, 15, 10 (iv) 14, 18, 12, 9, 3, 5, 11, 11, 19, 2

Find the modes of the following data. i) 5, 6, 3, 5, 4, 9, 5, 6, 4, 9, 5 ii) 25, 14, 18, 15, 17, 16, 19, 13, 12, 24 iii) 10, 15, 20, 15, 20, IO, 15, 20, 10

Which of the following relations are functions? Give reasons. If it is a function, determine its domain and range. i) {(2,1),(5,1),(8,1),(11,1),(14,1),(17,1)} ii) { (2,1,(4,2),(6,3),(8,4),(10,5),(12,6),(14,7)} iii) {(0,0),(1,1),(1,-1),(4,2),(4,-2),(9,3)(9,-3),(16,-4), (16,-4)} iv) {(1, 2),(1,3),(2,5)} v) {(2,1),(3,1),(5,2)} vi) { (1,2),(2,2),(3,2)}

Find the values of the following determinants : (i) |{:(12,3,4),(16,5,0),(21,-1,2):}| (ii) |{:(256,240,219),(240,225,198),(219,198,181):}| (iii) |{:(17,19,24),(6,8,13),(-1,1,6):}| (iv) |{:(67,19,21),(39,13,14),(81,24,26):}| (v) |{:(1,omega,omega^(2)),(omega,omega^(2),1),(omega^(2),omega,1):}|" where "omega "is a cube root of unity". (iv) |{:(1,x,y),(0,(2pi)/5,sin(pi)/10),(0,sin((2pi)/5),cos(pi)/10):}|

Arrange the following rational numbers in ascending order : (i) 3/4, 5/8, 11/16, 21/32 , (ii) -2/5, 7/(-10), -8/15, 17/(-30) (iii) 5/(-12), -2/3, -7/9, 11/(-18) , (iv) -4/7, 13/(-28), 9/14, 23/42

Which of the following relations are functions? Give reasons. If it is a function, determine its domain and range: (i) {(2,1), (3,1),(4,2)} (ii) {(2,2),(2,4),(3,3),(4,4)} (iii) {(2,1),(5,1),(8,1),(11,2),(14,2),(17,2)} (iv) {(1,2),(2,3),(3,4),(4,5),(5,6),(6,7)} (v){(2,1),(4,2),(6,3),(8,4),(10,5)} (vi) {(1,2),(2,3),(3,4),(3,5),(3,7),(4,8)}

A and B started a partnership business investing in the ratio of 2:5. C joined them after 3 months with an amount equal to 4/5th of B. What was their profit (in Rs.) at the end of the year if A got Rs 16,800 as his share? A और B ने 2:5 के अनुपात में निवेश कर एक साझेदारी व्यापार शुरू किया। B के 4/5 वें के बराबर राशि के साथ 3 महीनों के बाद C उनमें शामिल हो गया। उस वर्ष के अंत में उनका लाभ (रू में) क्या था, यदि A को उसके हिस्से के रूप में 16,800 रूपये मिले थे?

Simplify: {:((i)(4)/(9) divide (-5)/(12),(ii) -8 divide (-7)/(16),(iii) (-12)/(7) divide (-18)),((iv)(-1)/(10) divide (-8)/(5), (v) (-16)/(35) divide (-15)/(14), (vi) (-65)/(14) divide (13)/(7)):}

Simplify: (i) 5/12 xx (-36) , (ii) -17/18 xx 12 , (iii) -5/6 xx 6/5 , (iv) -14 xx 9/28 , (v) -12/5 xx (-15) , (vi) -3/4 by 8/7 , (v) -16/9 by 12/-5 , (vi) 35/(-8) by 12/(-5) (vii) -3/10 by -40/9 , (viii) -32/5 by 15/(-16) , (ix) -8/15 by -25/32

Which of the following sequqnces are in arithmetic progression? (i) 2,6,10,14,…. (ii) 15,12,9,6 (iii) 5,9,12,18,….. (iv) 1/2, 1/3, 1/4, 1/5,….