Walking at 4/5 of his normal speed, Aman is 15 minutes late in reaching his club. |
What is the usual time taken by him to cover the distance? |
A) 1 h done clear
B) 1 h 20mins done clear
C) 45mins done clear
D) None of these done clear
View Answer play_arrowA) -2 done clear
B) 3 done clear
C) 6 done clear
D) None of these done clear
View Answer play_arrowA) u done clear
B) v done clear
C) w done clear
D) x done clear
View Answer play_arrowA survey was conducted on 100 people to find out whether they had read recent issues of Golmal, a monthly magazine. The summarized information regarding readership in 3 months is given below: |
Only September: 18; September but not August: 23; September and July: 8; September: 28, July: 48; July and August: 10; None of the three months: 24 |
What is the number of surveyed people who have read exactly two consecutive issues (out of the three)? |
A) 7 done clear
B) 9 done clear
C) 12 done clear
D) 14 done clear
View Answer play_arrowEach of the 11 letters A, H, I, M, 0, T, U, V, W, X and Y appears same when looked at in a mirror. They are called symmetric letters. Other letters in the alphabet are called asymmetric letters. |
How many four-letter computer passwords can be formed using only the symmetric letters (no repetition allowed)? |
A) 7920 done clear
B) 330 done clear
C) 14640 done clear
D) 419430 done clear
View Answer play_arrowquestion_answer6) The equation\[|z-i|+|z+i|=k,k>0,\]can represent an ellipse if \[{{K}^{2}}\] is
A) \[<1\] done clear
B) \[<2\] done clear
C) \[>4\] done clear
D) None of these m done clear
View Answer play_arrowA) \[{{T}_{5}}=210\] done clear
B) \[{{T}_{5}}=-210\] done clear
C) \[{{T}_{4}}=180\] done clear
D) \[{{T}_{4}}=-180\] done clear
View Answer play_arrowA) \[\left\{ -1,1,\text{ }0 \right\}~\] done clear
B) \[\left\{ cos\text{ }1,\text{ }cos\text{ }2,\text{ }1 \right\}\] done clear
C) \[\left\{ -cos\text{ }1,\text{ }cos\text{ }1,\text{ }1 \right\}\] done clear
D) None of these done clear
View Answer play_arrowquestion_answer9) In a \[\Delta ABC\], if cot A cot B cot \[C>0,\], then the triangle is
A) Acute angled done clear
B) Right angled done clear
C) Obtuse angled done clear
D) Does not exist done clear
View Answer play_arrowA) \[|a|\le 4\] done clear
B) \[|a|\le 2\] done clear
C) \[|a|\le \sqrt{3}\] done clear
D) None of these done clear
View Answer play_arrowA) \[x-3\] done clear
B) \[x-2\] done clear
C) \[x+\frac{5}{4}\] done clear
D) \[x-\frac{5}{4}\] done clear
View Answer play_arrowA) \[{{\text{2}}^{n}}~\] done clear
B) \[{{\text{2}}^{2n}}\] done clear
C) \[{{\text{2}}^{2n+1}}~\] done clear
D) \[{{2}^{3n}}\] done clear
View Answer play_arrowA) \[\left( \frac{13}{7},\frac{13}{7} \right)\] done clear
B) \[\left( \frac{23}{7},\frac{23}{7} \right)\] done clear
C) \[\left( \frac{31}{7},\frac{31}{7} \right)\] done clear
D) \[\left( \frac{33}{7},\frac{33}{7} \right)\] done clear
View Answer play_arrowA) 4 done clear
B) \[\sqrt{21}\] done clear
C) 3 done clear
D) \[\sqrt{26}\] done clear
View Answer play_arrowA) \[\frac{1}{2}\] done clear
B) \[-\frac{1}{2}\] done clear
C) 1 done clear
D) None of these done clear
View Answer play_arrowA) 42 done clear
B) 43 done clear
C) 45 done clear
D) None of these done clear
View Answer play_arrowquestion_answer17) If \[\frac{{{(1+i)}^{2}}}{2-i}=x+iy\], then the value of \[x+y\] is equal to
A) \[\frac{5}{2}\] done clear
B) \[-\frac{2}{5}\] done clear
C) \[\frac{2}{5}\] done clear
D) \[-\frac{5}{2}\] done clear
View Answer play_arrowA) \[(n+1)\frac{\pi }{2}\] done clear
B) \[(2n+1)\frac{\pi }{2}\] done clear
C) \[n\pi \] done clear
D) None of these done clear
View Answer play_arrowRajdhani Express going from Bombay to Delhi stops at five intermediate stations, 10 passenger enter the train during the journey with 10 different tickets of two classes. |
The number of different sets of tickets they may have is |
A) \[^{15}{{C}_{10}}\] done clear
B) \[^{20}{{C}_{10}}\] done clear
C) \[^{30}{{C}_{10}}\] done clear
D) None of these done clear
View Answer play_arrowA) \[\frac{181}{{{(6!)}^{2}}}\] done clear
B) \[\frac{181}{{{(6!)}^{3}}}\] done clear
C) \[\frac{180}{{{(6!)}^{3}}}\] done clear
D) None of these done clear
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