Let Tr Be The Rth Term Of An Ap For R 1 2 3 If For Some Positive Integers M N We Have Tm Eq 1 By N And Tn Eq 1 By M Then Tmn Equal
(1) 1/mn (2) 1/m + 1/n (3) 1 (4) 0 Solution: Let a be the first term and d be... View Article
Latest Posts
If Am Denotes The Mth Term Of An Ap Then Am
(1) 2/(am+k + am-k) (2) (am+k – am-k)/2 (3) (am+k + am-k)/2 (4) None of these Solution: Let a be... View Article
If The Pth Qth And Rth Term Of An Arithmetic Sequence Are A B And C Respectively Then The Value Of
(1) 1 (2) –1 (3) 0 (4) 1/2 Solution: Let A be the first term and D be the common... View Article
The 9th Term Of The Series 27 Plus 9 Plus 5 And 2 By 5 Plus 3 And 6 By 7 Will Be
(1) \(\begin{array}{l}1\frac{10}{17}\end{array} \) (2) 10/17 (3) 16/27 (4) 17/27 Solution: \(\begin{array}{l}27+9+5\frac{2}{5}+3\frac{6}{7}+…\end{array} \) = 27 + 27/3 + 27/5 + 27/7... View Article
The First And Last Terms Of A Gp Are A And L Respectively R Being Its Common Ratio Then The Number Of Terms In This Gp Is
(1) (log l – log a)/ log r (2) 1 – (log l – log a)/ log r (3) (log... View Article
Pth Term Of The Series 3 1 By N Plus 3 2 By N Plus 3 3 By N Will Be
(1) 3 + p/n (2) 3 – p/n (3) 3 + n/p (4) 3 – n/p Solution: Here first term,... View Article
If Arithmetic Mean Of Two Positive Numbers Is A Their Geometric Mean Is G And Harmonic Mean Is H Then H Is Equal To
(1) G2/A (2) G/A2 (3) A2/G2 (4) A/G2 Solution: Let a and b be two numbers. AM, A = (a+b)/2... View Article
If A1 A2 An Are Positive Real Numbers Whose Product Is A Fixed Number C Then The Minimum Value Of A1 A2 An 1 2an Is
(1) n(2c)1/n (2) (n + 1)c1/n (3) 2nc1/n (4) (n + 1)(2c)1/n Solution: Given product, a1a2…an = c a1a2…(an-1)(2an) =... View Article
If A B C Are In Ap And A 2 B 2 C 2 Are In Hp Then
(1) a ≠ b ≠ c (2) a2 = b2 = c2/2 (3) a, b, c are in G.P (4)... View Article
If A By B B By C C By A Are In Hp Then
(1) a2b, c2a, b2c are in AP (2) a2b, b2c, c2a are in HP (3) a2b, b2c, c2a are in... View Article
If A B C Are In Ap Then 2ax Plus 1 2bx Plus 1 2cx Plus 1 X Not Equal 0 Are In
(1) A.P (2) G.P only when x > 0 (3) G.P if x < 0 (4) G.P for all x... View Article
If In The Equation Ax2 Bx C Eq 0 The Sum Of The Roots Is Equal To The Sum Of The Squares Of Their Reciprocals Then C By A A By B B By C Are In
(1) AP (2) GP (3) HP (4) none of these Solution: Let p and q be the roots of the... View Article
If A1 A2 G1 G2 And H1 H2 Be Two Ams Gms And Hms Between Two Numbers Respectively Then The Value Ofg1g2 By H1h2 H1 Plus H2 By A1 Plus A2
(1) 1 (2) 0 (3) 2 (4) 3 Solution: Let a, A1, A2, b are in AP. Then (a+b)/2 =... View Article
If First Three Terms Of Sequence 1 By 16 A B 1 By 6 Are In Geometric Series And Last Three Terms Are In Harmonic Series
(1) a = -1/4, b = 1 (2) a = 1/12, b = 1/9 (3) (1) and (2) both are... View Article
What Is Ideal Transformer Equation
An ideal transformer means that there is no power loss. Hence, the output power will be equal to the input... View Article
What Is Ht Power Supply
HT power supply is the high tension power supply which can be described as the main power supply for the... View Article
Can Transistor Be Used As Rectifier
Yes, a transistor can be used as rectifier. The rectification of ac current can be done with the help of... View Article
What Does Redox Potential Tell You
Redox potential is defined as the measurement of the ease with which the molecule will accept the electrons. If the... View Article
What Is Electrochemical Reversibility
Electrochemical reversibility is defined as the ratio of charge transfer to the mass transfer such that mass transfer is dependent... View Article
What Is Symmetrical Charge Distribution
A symmetric charge distribution is when there is a couple of geometrical transformations such that these transformations do not affect... View Article
