যদি 3, x, 27 ক্রমাগত অনুপাতে থাকে, তাহলে x এর মান নির্ণয় কর। | শ্রেণী 14 | অনুপাত & PROPORTI...

One mole of an ideal monoatomic gas expands reversibly and adiabatically from a volume of x litre to 14 litre at 27^(@) C. Then value of x will be [Given, final temperature 189 K and C_(V) = 3/2 R].

The solubility product constant (K_(sp)) of salts of types MX, MX_(2) , and M_(3)X at temperature T are 4.0 xx 10^(-8), 3.2 xx 10^(-14) , and 2.7 xx 10^(-15) , respectively. The solubilities of the salts at temperature T are in the order

Let pi_(1)and pi_(2) be two planes and angle be a line such thet pi_(1): x + 2y + 3z = 14 pi_(2) : 2x - y +3z = 27 angle : (x+1)/2=(y+1)/3=(z+1)/4 If the line angle meets the plane pi_(1) in P(alpha, beta, gamma), Then alpha^(2)+beta^(2)+gamma^(2) is equal to

In each of the following questions, a sequence of groups of letters and number is given with one term missing as shown by (?). Choose the missing term out of the given alternatives. 2Z5, 7Y7, 14X9, 23W11, 34V13, ? 1) 27U24 2) 47U15 3) 45U15 4) 47V14 5) None of these

Solubility product constant (K_(sp)) of salts of types MX, MX_2 and M_3X at temperature 'T' are 4.0 xx 10^(-8), 3.2 xx 10^(-14) and 2.7 xx 10^(-15) , respectively. Solubilities ("mol. Dm"^(-3) of the salts at temperature 'T' are in the order

Suppose the cube x^3""p x""+""q has three distinct real roots where p"">""0 and q"">""0 . Then which one of the following holds? (1) The cubic has minima at ( 2) (3)sqrt(( 4) (5) (6) p/( 7)3( 8) (9) (10))( 11) (12) (13) and maxima at ( 14) (15)-sqrt(( 16) (17) (18) p/( 19)3( 20) (21) (22))( 23) (24) (26) The cubic has minima at ( 27) (28)-sqrt(( 29) (30) (31) p/( 32)3( 33) (34) (35))( 36) (37) (38) and maxima at ( 39) (40)sqrt(( 41) (42) (43) p/( 44)3( 45) (46) (47))( 48) (49) (51) The cubic has minima at both ( 52) (53)sqrt(( 54) (55) (56) p/( 57)3( 58) (59) (60))( 61) (62) (63) and ( 64) (65)-sqrt(( 66) (67) (68) p/( 69)3( 70) (71) (72))( 73) (74) (76) The cubic has maxima at both ( 77) (78)sqrt(( 79) (80) (81) p/( 82)3( 83) (84) (85))( 86) (87) (88) and ( 89) (90)-sqrt(( 91) (92) (93) p/( 94)3( 95) (96) (97))( 98) (99) (100)

The average of X_(1),backslash X_(2) and X_(3) is 14. Twice the sum of X_(2) and X_(3) is 30. What is the value of X_(1)?( a) 12 (b) 16(c)20 (d) 27