Correct Answer:

Solution : As per the mirror image properties, closer things appear close to the mirror in the reflection.
Here, according to the information provided, the mirror is placed on the right side of the figure. So, the left side of the reflected image will appear as the right

Correct Answer: 4 kg

Solution : Initial ratio = 7 : 8
Initial total weight = 120 kg
Initial weight of Mr. Gupta = $\frac{7×120}{7+8}$ = 56 kg
Initial weight of Mrs. Gupta = $\frac{8×120}{7+8}$ = 64 kg
Reduced weight of Mr. Gupta = 56 – 6 = 50 kg

Correct Answer: $3 \sqrt{3}: 4$

Solution : Let $R$ and $r$ be the radius of the solid sphere and the solid hemisphere respectively.
Now the surface area of the solid sphere and the solid hemisphere are $4\pi R^2$ and $3\pi r^2$
According to the problem,
$4\pi R^2 = 3\pi r^2$

Correct Answer: $20$%

Solution : Given: Mita's income is 25% more than that of Sita.
Let Sita's income be 100 units.
Then, Mita's income = $(100+100×\frac{25}{100})=125$ units
So, Sita's income is less than Mita's income by
= $\frac{(125–100)}{125}×100=20$%.
Hence, the correct answer is $20$%.

Correct Answer: pressure fluctuations

Solution : The correct option is pressure fluctuations.

A Hydroscope is a device that displays changes in water level, or pressure. It measures changes in water depth or level in a specific region, such as a river, lake, or reservoir. They give essential information for

Correct Answer: 67

Solution : Given:
4 ÷ 16 × 5 + 4 – 2 = ?

On replacing the mathematical signs as per the instructions given, we get –
= 4 × 16 + 5 – 4 ÷ 2
= 4 × 16 + 5 – 2
= 64

Correct Answer: 120 m

Solution : Given,
In a 1200 m race, Rakesh reaches the final point in 36 seconds and Rajesh reaches in 40 sec
According to the question,
Rakesh beats Rajesh by (40 – 36) seconds = 4 seconds
⇒ Speed of Rajesh = $\frac{1200}{40}= 30$ m/s
$\therefore$

Correct Answer: Daughter

Solution : Given:
P & Q ⇒ P is the daughter of Q
P ? Q ⇒ P is the son of Q
P * Q ⇒ P is the sister of Q
P = Q ⇒ P is the father of Q

As per the given

Correct Answer: 20 : 63

Solution : Ratio of heights, $h_1:h_2 =\frac{h_1}{h_2} = \frac{7}{5}$
Ratio of diameters, $d_1 : d_2 = \frac{d_1}{d_2} = \frac{10}{21}$
⇒ Ratio of radii, $r_1 : r_2 = \frac{r_1}{r_2} = \frac{10}{21}$
Ratio of volumes of cones, $V_1 : V_2 = \frac{\frac{1}{3} \pi r_1^2 h_1}{\frac{1}{3} \pi r_2^2

Correct Answer: 70%

Solution : Let C as the cost price of each item, S as the selling price of each item that did not go bad and n as the total number of items.
From the problem, 30% of the items went bad, so Sukhvir sold 70% of the